A car moves around a circular track at a constant rate. What must change?

A. only it's speed

B. only it's velocity

C. both its speed and it's velocity

What would happen if the moon was hit by an asteroid

The "soft underbelly of the Axis" referred to a. Italy and the Balkans. c. Turkey. b. North Africa. d. the Soviet Union.

How many helium balloons would it take to get an Apple start floating in the air

A car is going 25 mph along a flat road. This is an example of what kind of energy?

What are metals? And how are they used?

Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.20 mph. They set off together on a route of length 5.00 miles.

Jill is getting ready to push little Frank in his swing. She pulls Frank back as high as she can and then releases the swing. What is the initial transfer of energy that accelerates the swing when she lets go?

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.