A 100 g mass hanging from the spring stretches it to an equillibrium length of 30 cm. What is the mass of water? Planet 2 orbits with period: A. t2 = 5 * t1 B. t2 = 25 * t1 C. t2 = 1/5 *t1 D. t2 = 125 * t1 Click the card to flip Definition 1 / 92 STT 2.2 Four objects move with the velocity-versus-time graphs shown. E At which of these times does the kinetic energy have its max. D. Water at a temperature between 50C and 100C 14.24 Figure Q14.24 represents the motion of a mass on a string. B) What is the frequency of the ball's motion? A 300 m which wave has the highest frequency? To rank items as equivalent, overlap them. B the ball's acceleration at position 2 The vector v has a magnitude of 3 and makes an angle of 30 = 6 with the positive x-axis. A. Your car's radiator is at a higher temperature than the air around it. To the nearest 5m, how far will the ball travel? Draw and name the products of bromine water oxidation of (a) D-mannose (b) D-galactose (c) D-fructose. D a ball bouncing off the wall, 1.21 Which of the following options is described by the motion of figure Q 1.21? C 490 hz D 616 hz By neutralizing the acidity. D 3.7720 M, 1.29 An objects average density P is defined as the ratio of its mass to its volume. 5.0 Cm A 1g a conduction Notice, though, that this scheme has you think . The law states that if a number of vectors acting on a particle at a time is represented in magnitude and - direction by the various sides of an open polygon taken in the same order, their resultant vector E is represented in magnitude and direction by the closing side of a polygon taken in the opposite order. STT 14.3 The graphs in the table above apply to pendulum motions as well as the motion of a mass on a spring. At the instant just before the projectile hits point P C 21 S wreck in west monroe, la today. Which combination points directly to the left? 3.21 A car travels at a constant speed along the curved path shown from above in figure Q3.21 Five possible vectors are also shown in the figure. 30 A person walks 1 km, turns around, and runs back to where he started. STT 2.3 Which velocity- versus time graph goes with the position versus- time graph on the left? when it is pulled to 5 degrees to the side, the restoring force is 1.0 N. what will be the magnitude of the restoring force if the ball is pulled 10 degrees to the side? c always down the ramp A Q>0 Question . b 2s C gear Shift C f1>f2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. how fast was the ball moving when it left the player's foot? Vector vec b has a magnitude of 4.0m and is directed 35^o west of due north. Planet orbits with period t1. A 75 m What is the change in the thermal energy of the food? Compare the frequencies of both. Most of the chemical energy is being transformed into A. C 2.40 X 10^ 9 S Science Physics Q&A Library Which combination of the vectors shown in (Figure 1) has the largest magnitude? C A basketball is dropped from 2 m and bounces until it comes to rest suppose a person has injured hair cells on a segment of the basilar membrane close to the stapes. C 3400, 6800 hz A increase c always down B P-Q Creating the combination. which combination of vectors has the largest magnitude. B to the right The angle between them when they are drawn with their tails at the same point is 65. unfortunately you didn't realize that you dropped one penny on the floor while transferring them to the water. C 150 Hz A upward, upward Express your answer numerically in meters per second. d 1.5 s The calculator just is defined by (-pi) and (pi), that means its just defined for the first and the fourth quadrant. STT 15.3 The figure to the right is a snapshot graph of a wave moving to the left the wave is to the right of the origin, but it will reach the origin as it moves. 11.33 An inventor approaches you with a device that he claims will take 100 J of thermal energy that will take 100 J of thermal energy input and produce 200 J of electricity. These vectors are very important in vector geometry and they are called position or radius vectors. An airplane is heading due south at a speed of 610 km/h .If a wind begins blowing from the southwest at a speed of 90 km/h at ground level. d 7.5 kg, 4.23 Tennis balls experience a large drag force. \hspace{2.1cm} e. a, b, and c E 6.33 kg a 1/4 Several British earthquakes took place over the space of just three weeks. B + - D. B - A-c the B A C P er's on CI Add all the vectors in example. D. The second law of thermo dynamics applies in this situation, but it is not violated because the energy did not spontaneously go from cold to hot. e 13s O A - B + c O B+ - o O A + B + c OB-A-C Submit Heavest Answer Figure 1 of 1 Provide feedback 100 | C This problem has been solved! 0 m size 12 . Strona Gwna; Szkoa. C. The energy used while runner is greater, the power while running is greater. A. B 384 hz B 5.50 X 10^6 Kg/M^3 which combination of vectors has the largest magnitude which combination of vectors has the largest magnitude which combination of vectors has the largest magnitude https: . How far from its base did the diver hit the water? An ice-water mixture at 0C STT 4.8 a small car is pushing a larger truck that has a dead battery. B 6.o m Which of the following statements is true? Which is the correct free body diagram for this situation? 0 m 34. C. Greater than 35 PSI, 12.28 The number of atoms in a container is increased by a factor of 2 while the temperature is held constant. We normally think of the car's engine as supplying the force needed to accelerate the car, but is this true? D when is the first thime the velocity of the mass is at zero? b convection As the swan slides, the direction of the acceleration is What will the next resonance be after this? Does not change C between 1 and 2 meters C T<200 N. STT 5.2 A martian lander is approaching the surface. resultant force has the largest magnitude when the angle between the forces is A) 20. The cars are light- most of the weight comes from the rocket engine- and friction and drag are very small. Express your answer numerically in seconds. what is the speed of the wave? b less 1.19 You throw a rock upward. The fish can then bring the tip of its mouth close to the surface and shoot the drops of water at the insects resting on overhead vegetation or floating on the water surface. D. .11 J, STT before chapter 12 D 17 cm, 15. STT 2.5 A particle moves with the velocity-versus-time graph shown here. Express your answer to three significant figures and include the appropriate units. This means that In other words, a set of vectors {v1, v2, v3 . 15 m, 210 deg. Ignoring air resistance , what will be the velocity Vy of the rock when it falls back into the volcano's crater? F 20dB, STT 15.8 Amy and Zach are both listening to the source of the sound waves that is moving to the right. From T = 9 s to t=15 S the object is at the same position. Which of the following vectors is equal to r AB? A What is the period of the oscillations? height H? ______ an instrument for measuring atmospheric pressure. C. Not affect your calculation of specific heat. It is in violation of the second law of thermodynamics Finding a linear combination of a linear combination of vectors. B the force of thomas on dave is larger than the force of dave on thomas B. c .700 m B ball 2 B What is the amplitude of the oscillation? B 7.50 X 10^12 HZ This question has appeared several times before on Brainly. What are the values of the intial velocity vector components v0,x and v0,y (both in m/s) as well as the acceleration vector components a0,x and a0,y (both in m/s2)? B .62 HZ which combination of vectors has the largest magnitudeguilford county jail mugshots. In one minute, the temperature of water rises by 20C. B very loud, high-frequency sound B. A. If a second ball were dropped from rest from height ymax, how long would it take to reach the ground? B 6.3 m D 23.0 M/S, 3.24 A cannon elevated at 40 degrees is fired at a wall 300 M away on the level ground as shown in figure 3.23. B 5.0 M/s If two identical blocks are glued together and pulled with twice the original force, their acceleration will be Lecture 3 - Chapters 3 and 4 (Jan 23, 2015) 1) Which combination of vectors shown above has the largest d .5 hz. The maximum displacement of the string at that point is Vectors parallel to the positive x axis have an angle of 0 . The current enters the tube at the bottom south corner of the window. A 1.33 X10^3 hz Which vector shows the sum of P + Q? I need to say which one has a bigger magnitude and the one that has a bigger magnitude is the one that the original vector is larger, which is going to be you since you is larger, you the absolute value, meaning the length of you parallel to be. if the pilot takes no corrective action. Which combination points directly to the left? C F Q on H = F H on Q , F P on W = F Q on P Which two vectors, when subtracted (i.e., when one vector is subtracted from the other), will have the largest magnitude? The pressure C less than 384 hz, 16.24 resonances of the ear canal lead to increased sensitivity of hearing, as we've seen. B Goes from 0 M/S to 5.o m/s in 2.0 s 10 CM a -2.0 mm STT 1.7 P and Q are two vectors of equal length but different directions. This works best when the largest eigenvalue is substantially larger than any other eigenvalue. C 8.0 m B B+A-C. 3.19 Two vectors appear as in figure 3.19. Vectors are identified by magnitude, or the length of the line, and direction, represented by the arrowhead pointing toward the terminal point. A always up It is moving upward at a steady speed. Figure 2.27 The scalar product of two vectors. D. Increases by a factor of 2 How can the microbes in the Berkeley Pit detoxify the water? A the clock will fun fast; the dial will be ahead of the actual time which combination of vectors has the largest magnitude why does snake eyes take a vow of silence. D. The total kinetic energy of the air is decreasing and the average kinetic energy of the molecules is increasing. Assume that the package, like the plane, has an initial velocity of 402 km/hour in the horizontal direction. , changes continuously. Which free body diagram is correct? . d 5.50 X 10^12 Kg/M^3. at a higher temperature the rod lengthens. C 30 m/s Study with Quizlet and memorize flashcards containing terms like STT 1 What is the length of the hypotenuse of this triangle? E 210 m, 3.25 a car drives horizontally off a 73 m-high cliff at a speed of 27 m/s. The total distance travelled, in this case, is \ (20\) miles. Another bird flies 2.0 km due west and 3.0 KM due north. imagine kit homes reviews nz; . B. A 10 m/s 100 MJ You got in your car drove 40 miles east, then got on a highway and went 50 miles north. Express your answer to two significant figures and include the appropriate units. What energy transformation is taking place? D the car's acceleration at position 2? If only external forces can cause the center of mass of a system of particles to accelerate, how can a car move? Suppose $\lambda a + \mu b = c$. A andy The direction of the force of friction is We can say that magnitude is the size of an earthquake. E What is the balls maximum speed? Assume they are equal intervals of time in between both videos, STT 1.2 Three motion diagrams are shown. A there is no friction force This is because . All angle measures fall between 0 and 360 . Find the maximum height above the cliff top reached by the projectile. Vectors: these are such quantities that can be fully described by both a magnitude and a direction. For all parts, assume that the "island" refers to the point at a distance D from the point at which the package is released, as shown in the figure. Find tR, the time at which the projectile hits the ground after having traveled through a horizontal distance R C 40 M Which two vectors, when added, will have the largest (positive) y component? D. All end up at the same temperature, 12.35 100G of ice at 0C and 100 g of steam interact thermally in a well-insulated container. In this analysis we assume that air resistance can be neglected. A an electric heater raised the temp ofa cup of water by 20C The groove forms a long, narrow tube when the fish places its tongue against it and propels drops of water along the tube by compressing its gill covers. B 1.0 n Vector B B size 12{B} {} has magnitude 34. 1.28 The earth formed 4.57 X 10^9 years ago. There may be more than one correct answer; if so, give all that are correct. What will be the length of the spring if this mass is replaced by a 200 g mass? Which gas has the greatest increase in its thermal energy. we call this time t=0. That is, the x component of its velocity, vx What are the largest and smallest possible values for the magnitude of the resultant vector R=A+B? D downward, downward, 4.28 Dave pushed his four-year old son, Thomas across the snow on a sled. Rank from largest to smallest. At X=3cm what is the earliest time that y wil equal 2 mm? Express your answer to three significant figures and include the appropriate units. A 23 Degrees A velocity increases Why would a programmer want to overload operators rather than use regular member functions to perform similar operations? from the plane to the island should the package be released? A to the left B thermal energy of the gas Example: Find the magnitude: a = <3, 1, -2>. Rank from largest to smallest. b 3.0 m C a A 8.3 min A .10 Hz 14.5 Four mass-- spring systems have masses and spring constants shown here. e 4 b 25 m B 3.77 M And so we're done. c Inverse Tan (IcxI/I cyI) e 2.5 s B 3.28 J Which ball is in the air for a longer time? For instance, the norm of a vector X drawn below is a measure of its length from origin. Select the key term that corresponds the given definition from the option. component? News of PM INDIA. A football is kicked at ground level with a speed of 18.2 m/s at an angle of 35.6 to the horizontal.How much later does it hit the ground? theoretical efficiency of a heat engine? B the car's acceleration at position 1? When we talk about a unit vector, we are talking about a vector whose magnitude is 1 in a given direction. STT .1 A ball of weight 200 N is suspended from two cables, one horizontal and one at 60 Degree angle, as shown. construct a history graph for the motion of the marked point at the origin following the approach shown in figure 15.7. STT 2.1 Which position vs. time graph best describes the motion diagram to the left? C velocity decreases. 50 S D. 1.4 KG, 12.34 C 0m/s At what height h Which i moving fastest at the time shown? At the instant just before the projectile hits point P Chemical energy in the runner's body is being transformed into other forms of energy. A a C. The third beaker C The ball's velocity as position 3? B. The scale on all the graphs are the same, STT 15 beginning of the chapter . A 1 m/s^2 vector of a unit magnitude that specifies direction; has no physical unit. What i the wave speed on the string? The total kinetic energy of the air is increasing and the average kinetic energy of the molecules is increasing. Now you press your finger down on the string against one of the frets, making this point the new end of the string. d 24 cm, STT 14.1 two oscillating systems have periods t1 and t2, with t1< t2. Express your answer using three significant figures and include the appropriate units. The mass of P is larger than the mass of Q. A .35 m/s D 30.0 Min, STT 11.1 crane 1 uses 10 kj of energy to lift a 50 kg box to the roof of the building. B t1=t2 How do the speeds v0, v1, and v2 (at times t0, t1, and t2) compare? A wooden toy hangs from a spring, when you pull it down and release it, it reaches the highest point of its motion after 1 s. What is the frequency of its oscillation? C eInverse Tan ( cy/IcxI) A .45 kg now the driver is joined by 4 friends. A more than your true weight largest a +c > a +b = a +d > f +c = d > a +e smallest A F Q on H = H on Q= F Pon Q= F Q on P Vectors : Magnitude of a vector 3D. The second law of thermodynamics C. 720 G D left left, STT 4.4 you've just kicked a rock, and it is now sliding across the ground about 2 meters in front of you. C. The frequency would stay the same. A diver running 2.8 m/s dives out horizontally from the edge of a vertical cliff and 2.5 s later reaches the water below.How high was the cliff? A+C, A+B, A+D, A+E, F+C, D A+B>F+C=D>A+D>A+E=A+C Rank the vector combinations on the basis of their angle, measured counterclockwise from the positive x axis. depth of penetration of ultrasound at a frequency of 5.0 MHZ? They all reach the same maximum height h. Ignore air resistance. c 1.0 s Vector b has a magnitude of 4.0 m and is directed 35 West of North. E 5.35 m/s, 14.26 A car bounces up and down on its spring at 1.0 HZ with only the driver in the car. C carl Express your answer to three significant figures and include the appropriate units. c 1.0 hz A F amy > F zach 23 a sinusoidal wave traveling on a string has a period of .20 s a wave length of 32 cm and an amplitude of 3 com. A second block has an acceleration of .10 m/s^2 when subject to the same force. A 10 kg A. What is the acceleration of this second object? D a pool ball bouncing off a cushion and reversing direction, 1.22 A bird flies 3.0 KM due west and then 2.0 KM due north. Increases by a factor less than 2. Here the subscript 1 means that these are all at time t1 D 160 m B there is a kinetic friction force directed up the slope Notes on Business Combination; Quiz 1 - IFC Check; Ch.1 Test Bank - Gould's Ch. Figure 3.31 Vector A has magnitude 53.0 m and direction 20.0 north of the x-axis. A n>800 n Calculate the velocity (direction) of the plane relative to the ground. a 4.0 m 36 Suppose the 600 W of radiation emitted in a microwave oven is absorbed by 250 g of water in a very light weight by 250 G of water in a very light weight cup. a-4.5 cm e.g. The tmp of the gas and the volume of the container are both increased. B. If a scallop wishes to remain stationary, hovering a fixed distance above the ocean floor, it must eject water _____ so that the thrust force on the scallop is ____ Practice Problems. Five possible vectors are also shown in the figure; the letter E represents the zero vector. which combination of vectors has the largest magnitude. A Increase TH 11. what is the theoretical minimum amount of electric energy necessary to pump 1.0 J of energy of the freezer compartment? Answered: Which combination of the vectors shown | bartleby. $2\lambda + 3\mu = 4$. Using what you've learned in figure 3.10 what is the direction of the car's acceleration at the instant shown in the figure? Determine the direction of V Considering the radiator of a car as as the system, as the radiator cools down, we can say that Express your answer to two significant figures and include the appropriate units. D 48 S b = 5i -j + 2k. STT 15.2 suppose you shake the end of a stretches string to produce a wave. When we want to find the combination of two vectors, we take just match up the initial point of the second vector with the terminal point of the first vector, and then we draw a new third vector from the initial point of the first to the terminal point of the second. A p+q Website Builders; punjabi mujra youtube. D it depends on how hard dave pushes Thomas, 4.29 Figure 4.29 shows block A sitting on top of block B. [Hint: First draw a diagram.] As dave pushed, Thomas speeds up. These engines provide a nearly constant thrust force. A vector is a directed line segment with an initial point and a terminal point. C 3.0 M A 5 m/s above the surface was the insect? What are the two lowest frequencies at which dogs have an increased in sensitivity? David Halliday, Jearl Walker, Robert Resnick, Chapter 12 and 13 Ancient Africa and Ancient. B the specific heat of water is smaller than that of steam D. Chemical Energy and thermal energy are being transformed to kinetic energy, A Chemical Energy is being transformed into thermal energy. Video Transcript Vector shown and figure 3.2. Rank from largest to smallest. Which crane is more efficient? Hot Network Questions C the clock will run slow; the dial will be behind the actual time, 14.7 Rank in order from largest to smallest the time constants TA to TD of the decay of the figures. D 5.0 cm x=(0.350 m) cos(15.0t) with T measured in seconds C Carl. How far does it land from the base of the table? e 4a, 4.22 A 5.0 kg block has an acceleration of .20 m/s^2 when a force is exerted on it. What is the approx. Three identical beakers each hold 1000 g of water at 20C 100g of liquid water at 0C is added to the first beaker, 100 g of ice at 0C is added to the second beaker, and the third beaker gets 100G of aluminum at 0C. Express your answer to three significant figures and include the appropriate units. C 21.7 min B 17.3 M/S Which of the following changes would increase the range of the ball shown in the original figure? Reduce from 60 degrees to 45 degrees. D northwest. B -2.5 cm B infrared has a shorter wavelength and higher frequency than ultraviolet B. A 2.0 s Image created by the author. C both forces have the same magnitude As the fuel burns and the car continues to speed up, the magnitude of the acceleration will Approx. D use a lighter string of the same length under the same tension E M= 4 .80m B 0mm A. C .5 mm d evaporation, 12.27 A tire is inflated to a gauge pressure of 35 PSI. A 15m 12.32 Suppose you do a calorimetry experiment to measure the specific heat of a penny. B 1m 3.22 A ball is fired from a cannon point 1 and lands the trajectory shown in figure 3.22. d 10s A 5.0 M Express your answer to three significant figures and include the appropriate units. (An orthogonal matrix is one whose transpose is its inverse: .) This spitting ability is enabled by the presence of a groove in the roof of the mouth of the archerfish. unit vectors that define orthogonal directions in a plane or in space. It keeps perfect time at temperature 20 degrees celcius. It exits at the opposite corner, which is 1.40m1.40 \mathrm{~m}1.40m farther north and 0.850m0.850 \mathrm{~m}0.850m higher up. C 6.0 S 14.23 A spring has an unstretched length of 20cm. D 16 m IT is slowing down as it approaches the ground floor. It's also larger and that will be parallel to you. After walking for 2 hours at a steady pace, she has walked 4 miles and is 2 miles from home. The absolute pressure in the tire is. Which is the correct FBD for the lander? B 34 Degrees B. Christina throws a javelin in to the air. For example, (3,4) (3,4). A The ball's velocity at position 2? Here the subscript 0 means "at time t0.". Vector B represents the second leg, a displacement of 34.0 m in a direction 63.0 north of east. C >50 C, STT 12.8 Suppose you are an astronaut in the vacuum of space, hard at work in your sealed spacesuit. The final state of the system is C. The energy used while runner is greater, the power while running is greater. B approx. Suppose a styrofoam ball is shot straight down with an initial speed of 30 m/s which velocity graph is correct? A 1.72 M D 8 m/s^2 STT 16.5 A tube that is open at both ends supports a standing wave with harmonics at 300 and 400 hz, with no harmonics in between. C. 60 MJ Comment N a E b 125 S W b i j i j a i 4sin35 4cos35 2.29 3 . A tube in a neon sign carries current 35.0mA35.0 \mathrm{~mA}35.0mA, between two diagonally opposite corners of a shop window, which lies in a north-south vertical plane. 8.17 The uniform rod in figure 8.17 has a weight of 14 N What is the magnitude of the normal force exerted on the rod by the . A inverse Tan ( CX/CY) D. The second law of thermo dynamics applies in this situation, but it is not violated because the energy did not spontaneously go from cold to hot. \hspace{2cm} d. a and b In linear algebra, we define the concept of linear combinations in terms of vectors. Which statement is true? Suppose that they decide to describe their station by its wave length in meters instead of by frequency, what name would they use now? E. Increases by a factor of 4. E between 2 and 4 m Once we have the unit vector, or direction, we can multiply it by the magnitude to describe the . B Betty A or B? D 40 m/s, 16.26 Suppose you pluck a string on a guitar that produces A at a frequency of 440 hz. The magnitudes of two vectors A and B are 12 units and 8 units, respectively. STT 5.6 The terminal speed of a styrofoam ball is 15 m/s. A 12 S D decreasing the temp of the kitchen, STT 11.7 Which of the following processes foes not involve a change in entropy? Where does the external force that accelerates the car come from? Extend the pattern and the formulas shown in 16.13 to determine the mode number and the wavelength of this particular standing- wave mode B n=800 n Water is transferred to the skin as steam condenses value? At what angle to the horizontal did the ball enter the basket? E 1.0 M, STT 16.3 a 2 m long string carries a standing wave as in the figure to the right. A 12 S A Steam is hotter than water Six vectors (a through f ) have the magnitudes and directions indicated in the figure. After that, it returns along the same track. D 40dB .87 J B .350 m C the frequency is inversely proportional to the period, so a shorter period implies a higher frequency. A Less than 35 PSI A projectile is shot from the edge of a cliff 115 m above ground level with an initial speed of v0 = 48 m/s at an angle of 35.0 with the horizontal, as shown in the figure (Figure 1). What is the javelines kinetic energy at this point? C 56 degrees The lowest frequency that makes a resonance is 20 HZ. A it moves from left to right and passes you at t=2s C. It stays the same how far from the base of the cliff will the car hit? C F amy < f zach, MCQ 15.20 Denver, colorado has an oldies station that calls itself " kool 105" this means that they broadcast radio waves at a frequency of 105 MHz. (a) 14.4 and 4 (b) 12 and 8 (c) 20 and 4 (d) none of these. Which is a dust particle settling to the floor at constant speed . -20 m 30 Given Required Equation Solution Final Answer. Increase v0 above 30 m/s 16.20 At t=1.5 s what is the value of y at x=10 cm List all that apply A gravity, acting downward The island is too small for the plane to land on, and the only way to deliver the package is by dropping it. It is a logarithmic scale in which magnitude increases 10 times with each increase . C 74 m c. By recycling elements. D not enough information to decide, 16.22 A student in her physics lab measures the standing- wave modes of a tube. (average), calculate the velocity (magnitude) of the plane relative to the ground. b stay the same To calculate the magnitude of force vectors, you use the components along with Pythagoras' theorem. b Height 3 cm base 6 cm A bullet fired from a rifle begins to fall. E air resistance, acting opposite the direction of motion, STT 4.5 Two rubber bands stretched to the standard length cause an object to accelerate at 2 m/s^2. A) What is the amplitude of the ball's motion? A How long does it take for the ball to hit the wall? B 20m.s compare the energy used and the power during the two segments. The frequency would increase D 3.88 m/s B it moves from right to left and passes you at t=2s It never gives any information about the magnitudes of the vectors, and is always deleted because the question is incomplete. The speed at which the package hits the ground is really fast! (a) The angle between the two vectors. A 605 hz 1. a pendulum in a clock has a period of 2.0 seconds you pull the pendulum to the right- a positive displacement- and let it go. By removing heavy metals. COME BACK TO!!! What are the values of the velocity vector components v1,x and v1,y (both in m/s) as well as the acceleration vector components a1,x and a1,y (both in m/s2)? B B+A-C E the truck exerts a force on the car, but the car doesn't exert a force on the truck. E the car's velocity at position 3? D B-A-C, 3.19 Two vectors appear as in figure 3.19. STT 16.2 A standing wave is se t up on a string. This problem has been solved! The position vector has an initial point at (0, 0) and is identified by its terminal point a, b . d 2a B velocity stays the same E 5.0 S, STT 2.7 A volcano ejects a chunk of rock straight up at a velocity of vy= 30 m/s. B. C. Increases by a factor of 2 It is slowing its descent by firing its rocket motor. Planet 1 has orbital radius r1 and Planet 2 has orbital radius r2 = 25 * r1.
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