What properties of matter explain why the weight of an object on the moon is different than the weight of the same object on earth while density remains the same?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.

Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?