Question

The driver of the compact car in the previous problem suddenly applies the brakes hard for 2.0 s. As a result, an average force of 5.0x10^3 N is exerted on the car to slow it down. The previous problem has a car that weighs 725 kg that is moving at 115 km/h that has a momentum of 2.32x10^4 kgm/s eastward. Also has another car that weighs 2175 kg with a velocity of 38.4 km/h. What is the change in momentum; that is, the magnitude and direction of the impulse, on the car? Complete the "before" and "after" sketches, and determine the momentum and the velocity of the now.

Answer 1

The driver of the compact car in the previous problem suddenly applies the brakes hard for 2.0 s. As a result, an average force of 5.0x10^3 N is exerted on the car to slow it down. The previous problem has a car that weighs 725 kg that is moving at 115 km/h that has a momentum of 2.32x10^4 kgm/s eastward. Also has another car that weighs 2175 kg with a velocity of 38.4 km/h. What is the change in momentum; that is, the magnitude and direction of the impulse, on the car?
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