What is the value of the acceleration that the car experiences? What is the valu

Question

What is the value of the acceleration that the car experiences? What is the value of the change in velocity that the car experiences? What is the value of the impulse on the car? What is the value of the change in momentum that the car experiences? What is the final velocity of the car at the end of 10 seconds? The car continues at this speed for a while. What is the value of the change in momentum the car experiences as it continues at this velocity? What is the value of the impulse on the car as it continues at this velocity? The brakes are applied to the car, causing it to come to rest in 4 s. What is the value of the change in momentum that the car experiences? What is the value of the impulse on the car? What is the value of the force (average) that causes the car to stop? What is the acceleration of the car as it stops?

Explanation / Answer

Multiple sub parts allowed to answer only 4 sub parts at a time According to the chegg guidelines.

Part a) Acceleration = force / mass = 2000 N / 1000 Kg = 2.0 m/s^2

Part b) Change in velocity = a t = 2.0 m/s^2 * 10 s = 20 m/s

Part c) I = F * (delta t ) = 2000 N * 10 s = 20,000 Ns

Part d) Remains same = 20,000 kg m/s

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