Speed is the rate of change of position expressed as Traveled per unit of time

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

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.

Aphase diagram assumes is kept constant.