A car moving at 20.0 m/s (72.0 km/h) crashes into a tree. Find th magnitude of the average force acting on a passenger of mass 70 kg in eat of the following cases. (a) The passenger is not wearing a seat belt. He brought to rest by a collision with the windshield and dashboard that las 2.0 ms. (b) The car is equipped with a passenger-side air bag. The force du to the air bag acts for 45 ms, bringing the passenger to rest. ( (a) 7.0 x 10° N (b) 3.1 x 10' N)
A car moving at 20.0 m/s (72.0 km/h) crashes into a tree. Find th magnitude of the average force acting on a passenger of mass 70 kg in eat of the following cases. (a) The passenger is not wearing a seat belt. He brought to rest by a collision with the windshield and dashboard that las 2.0 ms. (b) The car is equipped with a passenger-side air bag. The force du to the air bag acts for 45 ms, bringing the passenger to rest. ( (a) 7.0 x 10° N (b) 3.1 x 10' N)
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Transcribed Image Text:A car moving at 20.0 m/s (72.0 km/h) crashes into a tree. Find th
magnitude of the average force acting on a passenger of mass 70 kg in eat
of the following cases. (a) The passenger is not wearing a seat belt. Hel
brought to rest by a collision with the windshield and dashboard that las
2.0 ms. (b) The car is equipped with a passenger-side air bag. The forced
to the air bag acts for 45 ms, bringing the passenger to rest.
( (a) 7.0 x 10° N (b) 3.1 x 10' N)
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