A hockey puck slides across the ice and eventually comes to a stop. Why did the puck stop?

Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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