An object will appear the color that is

refracted
reflected
longest
separated

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)