Alight bounces off the surface of a metal cup and shines in harold’s eyes. which best describes what is happening to the light waves in this scenario?

Acar travels 40m in 8 seconds find the car speed

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in