The largest acceleration that a human has ever endured occurred when a race car
accidentally crashed into a wall. The car was traveling at a speed of 172.8 km/h
when it hit the wall. The car came to a complete stop 2.72 x 10-s later.
a. Calculate the acceleration of the car using the acceleration formula. Express
your answer in both m/s and in "g's." One g is equal to the free-fall
acceleration of 9.8 m/s.
b. Suppose the driver of the car had a mass of 70.0 kg. What was the
unbalanced force on his body as the car underwent negative acceleration?
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Ответ:
negative
electrons contain negative charge