A ball is tossed straight up into the air and falls straight back down. Neglecting air resistance, at what point is the acceleration the greatest?

A.) At the peak height

B.) Just after it was thrown

C.) The same everywhere

D.) Just before it lands

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 image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?