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20. As a mass of 2,000 k the impulse imparted to bring the car to a stop? (Ans: 36000 kg m/s) Stephanie approaches a traffic jam, she applies a braking force of 11,000 N. Her car has g and is moving with a velocity of 18 m/s before applying the brakes. What is
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Answer #1

impulse imparted = m(v - u)

where v = final velocity

u = initial speed

= 2000*(0 - 18)

= -36000 kg m/s

so impulse imparted = 36000 kg m/s

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