A car traveling at 13.7 meters per second crashes into a barrier and stops in 0.280 meters. a. How long does it take the car to stop? Include units in your answer. More information. Hint: This is a constant acceleration problem. b. What force must be exerted on a child of mass 25.8 kilograms to stop him or her in the same time as the car? Include units in your answer. More information. Hint: This is an impulse-momentum theorem problem. c. How many times the weight of the child is this force?
A car traveling at 13.7 meters per second crashes into a barrier and stops in 0.280 meters. a. How long does it take the car to stop? Include units in your answer. More information. Hint: This is a constant acceleration problem. b. What force must be exerted on a child of mass 25.8 kilograms to stop him or her in the same time as the car? Include units in your answer. More information. Hint: This is an impulse-momentum theorem problem. c. How many times the weight of the child is this force?
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...
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A car traveling at 13.7 meters per second crashes into a barrier and stops in 0.280 meters.
a. How long does it take the car to stop? Include units in your answer. More information. Hint: This is a constant acceleration problem.
b. What force must be exerted on a child of mass 25.8 kilograms to stop him or her in the same time as the car? Include units in your answer. More information. Hint: This is an impulse-momentum theorem problem.
c. How many times the weight of the child is this force?
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