Which of the following statements is true?

A. Energy can change from one form to another.

B. Matter and energy do not interact.

C. Energy cannot be stored.

D. Energy does not transfer from place to place.

What is meant by inertia?

A bicycle tire is spinning clockwise at 2.50 rad/s. During a time period Dt 5 1.25 s, the tire is stopped and spun in the oppo - site (counterclockwise) direction, also at 2.50 rad/s.

Define the term "force".

How does mass affect the speed of an object

Rob wants to work out how much energy his blue spotlights use. He turns the lights on at 9:00 am and leaves them on until 10:30 am, taking an electricity meter reading before and after. The spotlights have a total power of 0.1 kw.

You are racing your dog next to a football field. You run from the 10 yard line to the 50 yard line, then turn around and run back to the 30 yard line. What is your distance? What is your displacement?

Which of the following statements about degeneracy pressure is not true? a) Black holes form when gravity overcomes neutron degeneracy pressure. b) Degeneracy pressure arises from a quantum mechanical effect that we don't notice in our daily lives.

A bar magnet and a second object are hung from metal rods. The diagram below shows what happens when both objects are released.

Which measurement below has three significant figures? A. 12,300 lbs B. 12.02 m C. 0.2004 g D. 0.018 km

When you stand by the side of a pool someone swimming underwater appears to be in a different location than she really is the effect is called what