Afeather is dropped on the moon from a height of 2.0 meters. the acceleration of gravity on the moon is 1.67 m/s2 . determine the time for the feather to fall to the surface of the moon. hint: always ask yourself if you have a zero velocity which might allow you to ignore a part of the formula. round to the hundredths place (2 after the decimal), and choose the correct unit.

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.