A car travelling at 30 mph takes 10 m to come to a complete stop. Consider the work done by the brakes when stopping to estimate the distance required to bring the car to a complete stop from 75 mph. What is this distance

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

What object a collides with object b and bounces back its final momentum is?