A stone fell from a height of 50m above the ground if the acceleration due to gravity is l0m/s2. find the velocity in which it hits the ground and the time taken by the stone to reach the ground.

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Sound is a disturbance that travels through a medium as a