If a 2 kg ball has 120 J of PE, then how high off the ground is it? A. 60 m
B. 12.3 m
C. 6.1 m
D. 240 m

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

What are the three ways that an object can accelerate

The amount of potential energy possessed by an elevated object is equal to what?