What is power?

A: power is the rate at which energy is used up

B: power is force multiplied by distance

C: power is the amount of work that is done

D: power is the rate at which work is done

Consider hitting a baseball with a bat. which scenario is true? the baseball exerts a greater force on the bat than the bat exerts on the baseball. the bat exerts a greater force on the baseball than the baseball exerts on the bat.

Which form of energy does a plant store when light is transformed during photosynthesis?

Should athletes be benched if their grades are too low, or should they be allowed to play anyway?

A 4.25 kg block is sent up a ramp inclined at an angle theta=37.5° from the horizontal. It is given an initial velocity?0=15.0 m/s up the ramp. Between the block and the ramp, the coefficient of kinetic friction is? k=0.

A chemical equation where the number of atoms of each element are the same on both sides. Coefficients are often needed to balance a chemical equation.

Which universal force acts on protons and neutrons in an atom's nucleus?

How many turns are in the secondary coil of a step up transformer that increases voltage from 30 V to 150 V and has seven turns in the primary coil?

What is a nuclear bulge? a) The bulging corner of a spiral galaxy consisting of gas in the shape of a spiral sphere that circles a galaxy b) The bulging center of a spiral galaxy consisting of debris in the shape of a flattened sphere that circles a

Your friend of mass 50 kg can just barely float in fresh water. Calculate her approximate volume.

A flashlight beam strikes the surface of a pane of glass (n = 1.50) at a 61° angle to the normal. what is the angle of refraction?