Naturally occurring magnets are called

Force is based upon both mass and acceleration. true or false

A flowerpot falls off a balcony 85m above the street how long does it take to hit the ground

Which of the electromagnetic waves have the greatest wavelength? a. X-rays b. Blue light C. Infrared d. Ultraviolet

A 2.5 kg ball rolls forward at 10.0 m/s. What is the ball's momentum?

You put a bottle of soft drink in a refrigerator and leave it until its temperature has dropped 12.0K. A. What is its temperature change in F? B. What is its temperature change in C?

What is the turntable's angular velocity at t = 2.5 s? express your answer to two significant figures and include the appropriate units?

You wish to lift a 12,000 lb stone by a vertical distance of 15 ft. Unfortunately, you can only generate a maximum pushing force of 2,000 lb. What is the amount of work you must input in order to move the stone

Nonrenewable energy resources do not include which of the following?

A scientist has found a new drug that appears to provide weight loss in humans without dieting. The scientist has tested the drug on thousands of people and has found a few side effects.

If there are 20 Earthworms in a garden that covers 5 square meters, what is the population density of the earthworms? A. 20 Earthworms B. 4 C. 100 Earthworms per square meter D. 4 Earthworms per square meter