A bullet of mass M1 is fired with a speed V into the bob of a ballistic pendulum of mass M2. Find the maximum height h attained by the bob if the bullet passes through the bob and emerges with a speed V/2?

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."