Why do black things stay black in sunlight

A book rests on a table, exerting a downward force on the table. the reaction to this force is:

If you cut across the diameter of a pie, what part are you cutting

Calculate the weight of the following: a. A car with a mass of 2500kg

How far (in meters) will you travel in 3 minutes running at a rate of 6 m/s?

Reflecting telescopes use mirrors as well as lenses. true or false

Describe the magnetic field in the vicinity of a bar magnet.

What is the station's orbital speed? the radius of earth is 6.37*106m, its mass is 5.98*1024kg.

A piece of plastic tape coated with iron oxide is magnet - ized more in some parts than in others. When the tape is moved past a small coil of wire, what happens in the coil? What is a practical application of this?

A vehicle travels East towards a gas station. The vehicle travels a distance of 87 miles in 3 hours. What is it's velocity

What does frequency mean in science