The front 1.20 m of a 1350 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 24.0 m/s stops uniformly in 1.20 m, how long does the collision last? (b) What is the magnitude of the average force on the car? N. (c) What is the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. (Indicate the direction with the sign of your answer.)
The front 1.20 m of a 1350 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 24.0 m/s stops uniformly in 1.20 m, how long does the collision last? (b) What is the magnitude of the average force on the car? N. (c) What is the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. (Indicate the direction with the sign of your answer.)
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Transcribed Image Text:The front 1.20 m of a 1350 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.
(a) If a car traveling 24.0 m/s stops uniformly in 1.20 m, how long does the collision last?
(b) What is the magnitude of the average force on the car?
N.
(c) What is the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity.
(Indicate the direction with the sign of your answer.)
Transcribed Image Text:A 0.05 kg ball is thrown straight up into the air with an initial speed of 20 m/s. Find the momentum of the ball at the
following locations.
(a) at its maximum height
kg-m/s
(b) halfway to its maximum height
kg-m/s
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