A car accelerates uniformly from 0 mi/hr to 70 mi/hr in 9.50 *. During this time what is the force on the 80 kg driver?

Question 1

Question 2

First, find the final speed of the car in sensible units! We have:

So the acceleration of the car is

The acceleration of the driver is the same as that of the car! Newton’* 2nd law applied to the driver gives

The force on the driver (horizontal; he has no vertical acceleration) has magnitude 264 m /s2 .

kratos · Answer 1 · 2020-03-05T16:42:51+0000

First, find the final speed of the car in sensible units! We have:

So the acceleration of the car is

The acceleration of the driver is the same as that of the car! Newton’* 2nd law applied to the driver gives

The force on the driver (horizontal; he has no vertical acceleration) has magnitude 264 m /s2 .

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