Which statement most completely describes an object's motion? A marble rolls 10 m to the left.

The rain falls at a rate of one inch per hour.

A car travels 25 miles.

The baby crawls 10 feet in 15 seconds toward the door.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

The energy produced as a result of this flow of electrons from atom to atom is called