As part of a lab experiment, Gar shoots a small stone straight
up in the air while his partner,
Grace, videotapes the motion
of the stone. The figure below
shows a plot of the stone's
position vs. time (air resistance i
ignored).
When is the stone moving the
fastest on the way up?

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

What is the magnitude of the gravitational force acting on the earth due to the sun?