Explain why sound wave travel faster in liquid than gas​

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.

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

Area around a charged object where the objects can exert a force on another charged objects is an electric