5. Suppose the mechanical advantage of a machine is 4, and the input force is 20 N. What is the output force?

A. 5 N

B. 16 N

C. 80 N

D. 24 N

An object is dropped and falls freely to the ground with an acceleration of g. If it is thrown upward at an angle instead, its acceleration would be:

Simplify completely: - 3 (4-9) + 6-2 (-8+5)

A slingshot launches a stone vertically with an initial velocity of 400 ft/s from an initial height of 10 ft. find the average velocity over time interval [3, 8]. (assume g = 32 ft/s2) ft/s

What is a wave? In other words, what is the physical science term for a wave?

A certain planet has an escape speed V. If another planet has twice size and twice the mass of the first planet, its escape speed will be

Suppose you read in the newspaper that a new planet has been found. Its average speed in its orbit is 33 kilometers per second (km/s). When it is closest to its star, it moves at 31 km/s, and when it is farthest from its star, it moves at 35 km/s.

What happens when light from a flashlight strikes Water droplets from a mist of water

What is the length of a box in which the minimum energy of an electron is 1.5*10^-18 J?

Describe how to calibrate a candy thermometer

A water drops falls from the roof of a house during 3s, how high is the house?