Find the time to stop the car

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Reference no: EM1345542

Q. A car moving 10 m/s crashes into a barrier and stops in .25 meters.
a. find the time to stop the car
b. if a 20 kg child were to be stopped in the same time as the car, wha average force must be exerted.
c. approximately what is the mass of an object whose weight equals the force from part "b"? could you lift such a mass?

Reference no: EM1345542

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