4. How much force was required to bring granny's 1200-kg car to rest from 90 mph (40 m/s) in 2 seconds? чо 1200 14/2/2 = 2400 < ч ки 24 5. By the time granny's car (from the question above) had stopped from the applied force, how far had it travelled?

College Physics
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Author:Paul Peter Urone, Roger Hinrichs
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Chapter8: Linear Momentum And Collisions
Section: Chapter Questions
Problem 5PE: A runaway train car that has a mass of 15,000 kg travels at a speed of 5.4 m/s down a track. Compute...
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Use #4 to answer #5, please!

4. How much force was required to bring granny's 1200-kg car to rest from 90 mph (40 m/s) in 2 seconds?
чо
1200. 2/200
2400
24 ки
5. By the time granny's car (from the question above) had stopped from the applied force, how far had it
travelled?
<
<
+
Transcribed Image Text:4. How much force was required to bring granny's 1200-kg car to rest from 90 mph (40 m/s) in 2 seconds? чо 1200. 2/200 2400 24 ки 5. By the time granny's car (from the question above) had stopped from the applied force, how far had it travelled? < < +
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