Abicycle speeds up as it moves along a flat road. what happens to the bicycle’s gravitational potential energy during this time?

1.it decreases.

2.it increases.

3.it remains the same.

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.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

What is created when solids,liquids,an gases mix with one another