An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.50 × 10° N/m and is compressed 3.18 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall? m/s
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.50 × 10° N/m and is compressed 3.18 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall? m/s
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 71P
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![An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.50 x 10° N/m and is compressed 3.18 cm as the
car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall?
m/s](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1330645c-70c6-4cdc-9d97-c0134202313b%2F6a3a67fa-c802-4a0d-a9ef-235f679337c6%2F3t6jzvc_processed.png&w=3840&q=75)
Transcribed Image Text:An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.50 x 10° N/m and is compressed 3.18 cm as the
car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall?
m/s
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