Answer to Question #293210 in Physics for Kyle

Question #293210

Compute

a. What is the acceleration of a car that goes from 20 to 30 mi h

in 15 s?

b. At the same acceleration, how long will it take the car to go

from 30 to 36 mi/h?


1
Expert's answer
2022-02-02T14:38:05-0500

a. The acceleration of a car that goes from 20 to 30 mi/h in 15 s is


a=Δv/t=0.3 m/s2.a=\Delta v/t=0.3\text{ m/s}^2.

b. At the same acceleration, the time it will take to go from 30 to 36 mi/h is


t=Δv/a=8.9 s.t=\Delta v/a=8.9\text{ s}.



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