Two objects attract each other with gravitational force of 25 newtons from a given distances. if the distances between the two objects is reduced by a factor of 5, what is the changed force of attraction between them?

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)