(Figure 1) is an incomplete momentum bar chart for a 42 g particle that experiences an impulse lasting 10 ms. Assume that the particle is moving to the right after the colision Figure kg m/s 6 2- -2. 1 of 1 An impulse bar chart Pix + J₁ = Ptx Part A What were the speed and direction of the particle before the impulse? Express your answer with the appropriate units. Enter positive value if the speed is directed to the right and negative value if the speed is directed to the left. Value Submit Request Answer Provide Feedback P Pearson Units Review ? Next >
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- A 20 kg object and a 100 kg object collide. The graph below is for the 100 kg object. Assume momentum is conserved and find the change in velocity of the 20 kg object over the entire time shown.A. Perfectly inelastic collisions Figure 1 shows the schematic of the set up for this part of experiment. Before the collision, cart 2 should be at rest. motion detector added mass cart 1 velcro track cart 2 mass of cart 1: 1009.6 g g mass of cart 2: 510 measured velocity of cart 1 before collision: 0.642 m/s measured velocity of the carts after the collision: 0.379 m/s expected velocity of the carts after the collision, based on conservation of momentum: (show calculation here) percent difference between measured and expected final velocities: measured total kinetic energy before the collision: measured total kinetic energy after the collision: 0.4265 11.14/0 m seeQ3/ The figure below shows the position of two balls separating in opposite directions after a perfectly elastic collision. Assume the balls have different magnitudes on their velocities and masses before collision. Momentum after collision a. Indicate the direction of the momentum of each ball after collision b. Were the two balls both moving or can one be initially at rest before collision? To answer this, choose sample initial velocities representing both cases C. Solve each situation using the formulas for elastic collision d. Analyze your answer in (b) by comparing your results in (c)
- 1. A bug and the windshield of a fast moving car collide. a. How do the forces of impact on the bug and on the car compare. Explain briefly. b. How does the impulse on the bug and on the car compare. Explain briefly. c. How does the change in velocity of the bug and of the car compare. Explain briefly. d. Hoe does the change in momentum of the bug and of the car compare. Explain briefly.Block X Block Y VXY M M Figure 2. After the collision Block X slides along a horizontal surface with a speed tx toward block Y that is initially at rest, as shown in Figure 1. After block X collides with block Y, the two blocks remain stuck together and travel at a velocity of thy as shown in Figure 2. Frictional forces are considered to be negligible. Which of the following claims is correct regarding the momentum of the system containing only block X and the system that contains block X and block Y? A The system containing block X is an open system, and the system of both blocks is an open system. B The system containing block X is an open system, and the system of both blocks is a closed system. © D The system containing block X is a closed system, and the system of both blocks is an open system. The system containing block X is a closed system, and the system of both blocks is a closed system. ? 。 口There is a famous intersection in Kuala Lumpur, Malaysia, where thousands of vehicles pass each hour. A 750 kg Tesla Model S traveling south crashes into a 1250 kg Ford F-150 traveling east. What are the initial speeds of each vehicle before collision if they stick together after crashing into each other and move at an angle of 320 and a common velocity of 18 m/s. Draw a diagram and show all your work
- All parts An object with mass M is moving with an initial velocity vi. The object explodes and breaks into two parts, m1 and m2. Fragment m1 has a mass of 4 kg and moves in the -x direction with a speed of 500 m/s. Mass m2 has a mass of 16 kg and moves in the +x direction with a speed of 375 m/s. Use this information to answer the next 3 questions. 19. What is the momentum of m1 after the explosion? 10,000 kg m/s in the +y direction 2000 kg m/s in the +x direction 500 kg m/s in the -x direction 250 kg m/s in the +x direction 2000 kg m/s in the -x direction 2500 kg m/s in the -y direction 20. What is the magnitude of the momentum in the y-direction of the mass M before the explosion? 500 kg m/s 1000 kg m/s 4000 kg m/s 2000 kg m/s 0 kg m/s 6000 kg m/s 21. What is the velocity of M after the explosion? 500 m/s in the -x direction 500 m/s in the +x direction 200 m/s in the +x direction 200 m/s in the -y direction 0 m/s 200 m/s in the -x directionWhich of the following is the correct relationship between momentum p and kinetic energy K of an object of mass m? A. p = 2mK B. K = 2mp C. P2 = 2mK D. K2 = 2mpHow do you get this answer?
- Can you solve and explain how you got it0.070 kg weighted mass by the clay ball was shot upwards, traveling 1.0 m before hitting and sticking to a brick of mass 2.0 kg suspended from the ceiling by a light cord. As a result of the collision, the brick + clay ball rises through a distance of 10.0 cm. Find the answers to the questions, part a and b. a) What was the speend of the ball of clay when it struck the brick? b) What was the speed of the launch by the clay ball?A 0.05-kg bullet is fired horizontally at a speed of 300.0 m/s strikes a 4.0-kg block of wood sitting at the edge of the table as shown below in Figure 1. The bullet gets stuck in the block after impact. The height of the table measured from the floor h A. Calculate the speed of the bullet-plus-block combination immediately after the bullet comes to rest inside the block. = 1.60 m. B. How far from the table does the block hit the floor? Figure 1 h