A race car driver travelling at 15ms^-1 accelerates at a constant value for 10.0s. She is now driving at a speed of 35 ms^-1 W

Question

3 years ago

5

hat was her acceleration? Give your answer in m*s^-2 to one significant figure . Do not include units with your answer.

1 answer:

cupoosta [38] · Answer 1 · 2022-05-15T07:55:42+03:00

6 0

The driver speeds up with acceleration a so that

35 m/s = 15 m/s + a (10.0 s)

Solve for a :

20 m/s = a (10.0 s)

a = (20 m/s) / (10.0 s)

a = 2 m/s²

A race car driver travelling at 15m*s^-1 accelerates at a constant value for 10.0s. She is now driving at a speed of 35 m*s^-1 W