Kinematics Equations Video Lessons

Concept

# Problem: 6. A car accelerates at 2 meters per second per second. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 30 m/s? A) 15 seconds B) 60 seconds C) 2 seconds D) 30 seconds E) none of these

###### FREE Expert Solution

6.

Using the kinematic equation:

$\overline{){{\mathbf{v}}}_{{\mathbf{f}}}{\mathbf{=}}{{\mathbf{v}}}_{{\mathbf{0}}}{\mathbf{+}}{\mathbf{a}}{\mathbf{t}}}$

###### Problem Details

6. A car accelerates at 2 meters per second per second. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 30 m/s?

A) 15 seconds

B) 60 seconds

C) 2 seconds

D) 30 seconds

E) none of these