While attending a ballgame in St Louis the Wallace boys were amazed to see Berkman (their favorite player) hit a pop up that reached a height of 72m and the baseball has a mass of 0.45 kg. Find the potential energy of the baseball at the top of its fall.

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n

If a balloon is taken outside on a very cold day, what will occur?

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward