1. You get hit with a force of 45 N by a ball with a mass of 0.75 kg. How fast was the acceleration of the ball?
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Formula

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.

Which substance partical has negligible massand travels around outsidethe nucleus

An impulse is the product of the on an object and time during which it is applied