A yellow ball with a mass of 2 kg is rolling across the floor at 3 m/s. A red ball with a mass of 3 kg is rolling across the same floor at 3 m/s. Which ball has greater kinetic energy, and why?

What sequence shows electromagnetic waves arranged from shorter to longer wavelengths? A. Visible light, infrared radiation, microwaves, and ultra violet rays B. infrared radiation, Visible light, ultra violet radiation, and microwaves C.

What's the relationship between potential energy and a position of a rock

what is the potential energy of the ball when it gets to its maximum height just before falling back to the ground

How did napoleon raise soldiers for hi army

Twin sisters, Gwen and Jackie, were both 20 years old in the year 2000. Jackie took off on a round trip to Vega, 25 light years away. She traveled at an average speed very close to the speed of light-say, 0.9999c.

If the particles of an object have more kinetic energy than the particles of an object, what must be true?

How much force is needed to stop a 80 kg football player if he decelerates at 5m/s?

A plastic rod rubbed with a duster attracts bits of paper becauseof a what force

A radioactive isotope of potassium has a half-life of 20 minutes if a 40 g sample of this isotope is allowed to decay for 80 minutes how many grams of the r adioactive isotope will remain

Which changes of state occur between solids and gases