What happens to energy that is used to overcome friction?

Two electric charges are moved so that they are twice as far apart as they had originally been. Is the force they experience from each other now half the original force? Explain.

Place where the earth plates meet or lay against one another

What color of light in the visible spectrum appears brightest?

Some magnets have just one pole Truth or false?

A certain runner averages 4.1 m/s over a 10 K (10.0 km) race. Determine the amount of time it takes the runner to finish the race.

A solenoidal inductor for a printed circuit board is being redesigned. To save weight, the number of turns is reduced by one-fifth, with the geometric dimensions kept the same.

The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. why then doesn't the heavier rock fall faster?

Which of the following statements is true of the carbohydrate glucose? A. Glucose is a pentose sugar B. Glucose is a polysaccharide C. Glucose contains carbon, hydrogen, and oxygen atoms

Who first proved that the sun is not at or even close to the center of the milky way galaxy?

How does the potential energy of an object change when its height is tripled