You were driving a car with velocity %u2039 15 , 0, 20 %u203A m/s. You quickly t

Question

You were driving a car with velocity %u2039 15, 0, 20 %u203A m/s. You quickly turned and braked, and your velocity became %u2039 9, 0, 24 %u203A m/s. The mass of the car was 1100 kg.

(a) What was the (vector) change in momentum delta p during this maneuver? Pay attention to signs.

(b) What was the (vector) impulse applied to the car by the ground

(c) If the maneuver took 5 seconds, what was the the average (vector) force exerted on the car? (The net force is due to the ground and the Earth; the y components of these forces cancel.)

Explanation / Answer

You were driving a car with velocity %u2039 15 , 0, 20 %u203A m/s. You quickly t

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