Answer to Question #179361 in Mechanics | Relativity for Kristen Tyler

Question

A car initially traveling at 69.7 mi/h, slows to rest in 9.1 s. What is the car's acceleration?

Answer 1

$0=v-at,\implies$

$a=\frac vt,$

$a=\frac{31.16}{9.1}=3.4~\frac ms.$