3. Object A of mass 8 kg moving at 4 m s¹ collides with another object B of mass 6 kg moving at 5 m s¹ in the opposite direction. After the collision, object A moves opposite to its initial direction at 0.1 m s¹. What is the velocity of B after the collision? [ 0.5 m s¹ at the same direction of UA]
3. Object A of mass 8 kg moving at 4 m s¹ collides with another object B of mass 6 kg moving at 5 m s¹ in the opposite direction. After the collision, object A moves opposite to its initial direction at 0.1 m s¹. What is the velocity of B after the collision? [ 0.5 m s¹ at the same direction of UA]
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter6: Momentum, Impulse, And Collisions
Section: Chapter Questions
Problem 52P: Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 13.0...
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Question
![3. Object A of mass 8 kg moving at 4 m s¹ collides with another object B of mass 6 kg
moving at 5 m s'¹ in the opposite direction. After the collision, object A moves opposite
to its initial direction at 0.1 m s¹. What is the velocity of B after the collision?
[ 0.5 m s-¹ at the same direction of UA]
4. A ball of mass 0.20 kg moving with a horizontal velocity of 20 m s¹ and hits a wall.
After 0.01 s, the ball rebounded with its initial velocity along the same path.
i.
Calculate the impulse of the ball. [ +8 kg m s'¹]
ii.
What is the average force exerted by the ball on the wall? [ +800 N ]
5. A rubber ball of mass 20 g moving at a velocity of 30 m s¹ hits a wall and bounces
back with the same velocity. Calculate the impulse. [1.2 kg m s'¹]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ae32e79-d3e7-42d8-be16-3460cf9102c4%2Fd43fdc8b-37bb-4a6c-ba86-dd2ecb586fd6%2Forbnohl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Object A of mass 8 kg moving at 4 m s¹ collides with another object B of mass 6 kg
moving at 5 m s'¹ in the opposite direction. After the collision, object A moves opposite
to its initial direction at 0.1 m s¹. What is the velocity of B after the collision?
[ 0.5 m s-¹ at the same direction of UA]
4. A ball of mass 0.20 kg moving with a horizontal velocity of 20 m s¹ and hits a wall.
After 0.01 s, the ball rebounded with its initial velocity along the same path.
i.
Calculate the impulse of the ball. [ +8 kg m s'¹]
ii.
What is the average force exerted by the ball on the wall? [ +800 N ]
5. A rubber ball of mass 20 g moving at a velocity of 30 m s¹ hits a wall and bounces
back with the same velocity. Calculate the impulse. [1.2 kg m s'¹]
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