A lever is used to lift a heavy weight. The length of the input arm of the lever is 3 m, the length of output arm is 1 m.

What is the mechanical advantage of the lever?

3

1

4

0.33

If you had been traveling that fast and the light actually was yellow, what color would it have seemed to you? a. yellow b. blue c. red d. orange e. invisible (ultraviolet or infrared)

How is Newton's second law related to gravity

How do fluids exert pressure on a container

How does universal gravitation affect you and objects around you?

White arctic hares blending in with the white snow in their enviorment is an example of what type of camoflauge? a. Hiding b. Protective resemblance c. Mimicry d. Protective coloration

A bat hitting a baseball is an example of a field force true or false.

Is the property of matter in which a substance can transfer heat or electricity

A 1.14x10^4 kg lunar landing craft is about to touch down on he surface of the moon, where the acceleration due to gravity is 1.6 m/s^2. At an altitude of 165m the craft's downward velocity is 18.0m/s.

What's an example sentence using thermal energy

As air becomes warmer, how does the speed of sound in the air change