A physics student uses a spring loaded launcher to fire a 58 gram projectile horizontally. The projectile leaves the launcher at 6.0 m/s when the spring is compressed by 2.0 cm.

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

What is a good example of instantaneous speed

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?