What happens when an object absorbs all the light striking it?

It appears blue.

It appears red.

It appears black.

It appears white.

The faster you go the more You have

How do noise canceling headphones work? A.) by stopping sound waves B.) by interfering with sound waves C.) by using antennas D.) by transmitting light waves

Would the springs inside a bathroom scale be more compressed or less compressed if you weighed yourself in an elevator that was moving upward at constant velocity

true or false: an oxygen atom can absorb any frequency of light to cause it's electrons to increase in energy

If a. 40kg football is thrown with an acceleration of 1.8m/s^2, what is the force used to throw the football? Question 1 options:.22N 4.5N. 72N 1N

Why is it important to develop alternative energy sources

Which of the following subatomic particles does not have a charge? A.) electron B.) proton C.) neutron D.) positron

How do we use light in space?

What units are used for gravitational potential energy? Write the name, not the symbol.

A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? A. 376.5 Pa B. 73.5 Pa C. 226.5 Pa D. 122.5 Pa