After a supernova explosion the core of a star may become a? A. Red supergiant B. Neutron star C. Black hole D. neither a neuron star or a black hole.

Light traveling through the air strikes the surface of the four materials below. Which material reflects light but does not refract it? A) Diamond B) Water Droplets C) Prism D) Metal Spoon

Which statement describes a scientific law

Suppose you find yourself teetering on the edge of a cliff or the roof of a tall building with a heavy physics book in your hand. As you are about to fall, you suddenly remember how physics can save you! What law did you remember?

A 55 kg skater spins 12 m/s while carving a circle on the ice that has a radius of 6.0m. What net force must act on the skater to keep her in the circular path?

A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 51.1 kg and air resistance exerts a total upward force of 657 N on her and her parachute.

The unit for measuring electric power is the A. volt. B. ampere. C. watt. D. ohm.

Which one of Newton's Laws fits this statement: More mass means more force need to accelerate?

What type of relationship occurs when one variable decreases while the other variable increases?

The best way to prevent heat exhaustion while exercising is to

The highest frequency radio waves are which type?