Chapter 09 Ready-To-Go Teaching Module Post-Class: Linear Momentum and Collisions Predict/Calculate Problem 9.21 IPA 0.16-kg baseball moves toward home plate with a velocity (31 m/s). After striking the bat, the ball moves vertically upward with a velocity (29 m/s) Part A Find the direction of the impulse delivered to the ball by the bat. Assume that the ball and bat are in contact for 1.5 mus Express your answer using two significant figures VAE Submit Part B Request Answer 00 ? from the +-axs Find the magnitude of the impulse delivered to the ball by the bat. Assume that the ball and bat are in contact for 1.5 m Express your answer using two significant figures. Revin

Chapter 09 Ready-To-Go Teaching Module Post-Class: Linear Momentum and Collisions Predict/Calculate Problem 9.21 IPA 0.16-kg baseball moves toward home plate with a velocity (31 m/s). After striking the bat, the ball moves vertically upward with a velocity (29 m/s) Part A Find the direction of the impulse delivered to the ball by the bat. Assume that the ball and bat are in contact for 1.5 mus Express your answer using two significant figures VAE Submit Part B Request Answer 00 ? from the +-axs Find the magnitude of the impulse delivered to the ball by the bat. Assume that the ball and bat are in contact for 1.5 m Express your answer using two significant figures. Revin

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A truck (m=5000 kg) initially moving at 5 m/s slams into the back of a car (m=1,000 kg) that is sitting at an intersection. The bumpers lock, and the two vehicles move off together. Which vehicle experiences the larger impulse during in the collision? A. The truck. B. The car. C. The impulses are the same. v-5 m/s 00-00-0 m=5,000 kg m=1,000 kg
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complete the following 3 steps. 1. Indicate what your chosen system is (which objects are included in the system?) as well as your initial and final instants. Explain how your choice will help you solve the problem. 2. Draw a momentum-impulse bar chart for your chosen system that is consistent with the information given. 3. Write an equation using the bar chart as a guide and solve for any unknowns. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. If the collision took 0.050 s, what average force was exerted on the pin?
complete the following 3 steps. 1. Indicate what your chosen system is (which objects are included in the system?) as well as your initial and final instants. Explain how your choice will help you solve the problem. 2. Draw a momentum-impulse bar chart for your chosen system that is consistent with the information given. 3. Write an equation using the bar chart as a guide and solve for any unknowns. A .06 kg tennis ball hits a wall with a velocity of 30 m/s and rebounds at about the same speed. What is the change in momentum of the ball from before the collision to after?
I. Conceptual Physics. Justify your answer. 1. A 10-gram rubber ball and a 10-gram clay ball are thrown at a wall with equal initial speeds. The rubber ball bounces, the clay ball sticks. Which ball exerts a larger impulse on the wall? Justify your answer.
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D-E thank you!
QUESTION 4 A 0.13-kg toy car is initially moving at 1.7 m/s. Since the battery is losing power, the toy car has slowed down to 0.3 m/s. Calculate the impulse of the toy car. Input the numerical value only; do not include the units.
QUESTION 5 A 0.13-kg toy car is initially moving at 1.8 m/s. Since the battery is losing power, the toy car has slowed down to 0.3 m/s. Calculate the impulse of the toy car. Input the numerical value only: do not include the units.
1 Impact A bullet of mass 200 g is traveling horizontally due east with a speed of 400 m/s when it strikes a block of mass 1.8 kg that is initially at rest on a smooth table. After striking the block, the bullet is embedded in the block and the two objects move together as one unit. (a) What is the magnitude and direction of the velocity of the block/bullet combination immediately after impact? (b) What is the magnitude and direction of the impulse from the block to the bullet? (c) What is the magnitude and direction of the impulse from the bullet to the block? (d) If it took 3 ms for the bullet to decelerate from 400 m/s to the final speed after impact, what was the average force between the block and the bullet during this time? (e) If it took 3 ms for the block to accelerate to the final speed after impact, what was the average force between the bullet and the block during this time?
A rutber bell and a clay ball have oqual mass and are dropped onto a digital scale. The rubber ball bounces back to nearly the same height. The clay bell sticks to the scale when it hits. For the (single) imeraction with the scale. a. Whar is the ratio af the change of the clay ball's momentum to the change of the rubber ball's momentum? b. What is the ratio of the impulse impaned to the clay ball to the impulse imparted so the rubber ball? Iruter c. Which of the following graphs could epresent, o the same scale, the force exerned by the scale on each ball as a function of time? Select an answer for the rubber ball and an ansaer for the clay ball. F(N) F(N) F(N) I (s) I (s) 1 (s) F(N) F(N) clay ball: rubber ball: B) 1 (s) D) I (s)
6. A 0.25 kg ball bounces off a vertical wall as shown. The speed of the ball just before hitting the wall is 8 m/s and just afterwards is 6 m/s. The collision takes 0.1 sec. a. What is the impulse delivered to the ball? Write in component vector form. y 30° 30 What is the average force that the wall exerts on the ball during the collision? Remember the impulse-momentum relation refers to the net force; you will have to take gravity into account when you do your analysis. c. What is the average force that the ball exerts on the wall during the collision? d. Repeat your calculation for the average y force on the ball using Newton's 2nd law and the free body diagram method. Make sure your answer agrees with your answer for (b).