A 1,000 kg car traveling at 40 m/s collides with a brick wall. The car is in contact with the wall for 0.08 seconds before it bounces back with a smaller velocity. Which of the following would result in smallest contact force from the wall on the car? Group of answer choices Increasing the contact time to 3 seconds Decreasing the car’s velocity to 20 m/s Decreasing the contact time to 0.004 seconds Decreasing the car’s mass to 500 kg
A 1,000 kg car traveling at 40 m/s collides with a brick wall. The car is in contact with the wall for 0.08 seconds before it bounces back with a smaller velocity. Which of the following would result in smallest contact force from the wall on the car? Group of answer choices Increasing the contact time to 3 seconds Decreasing the car’s velocity to 20 m/s Decreasing the contact time to 0.004 seconds Decreasing the car’s mass to 500 kg
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 30P: A 0.450-kg hammer is moving horizontally at 7.00 m/s when it strikes a nail and comes to rest after...
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A 1,000 kg car traveling at 40 m/s collides with a brick wall. The car is in contact with the wall for 0.08 seconds before it bounces back with a smaller velocity. Which of the following would result in smallest contact force from the wall on the car?
Group of answer choices
Increasing the contact time to 3 seconds
Decreasing the car’s velocity to 20 m/s
Decreasing the contact time to 0.004 seconds
Decreasing the car’s mass to 500 kg
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