If you were on the moon, and you were trying to move a 20-lb bowling ball and a 3-foot cube of styrofoam, which item would take more work to move? why? a. the bowling ball; it is a harder object b. the styrofoam; it is larger c. the bowling ball; it has greater mass anywhere d. the styrofoam; it weighs more on the moon

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.