Aglider is undergoing simple harmonic motion on a frictionless air track. when it is at position x = 0.30 m, its kinetic energy is half of its potential energy, k=12u. what is the amplitude of its simple harmonic motion?

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

The necleus of an atom is made up of what subatomic particles?

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere