A) A ball is falling freely under the action of gravity, when its downward speed is 8.0m/s, it explodes into two equal parts. One part goes straight up to a height of
12m above the explosion point. What is the velocity of the other part just after the
explosion. Take g
9.8ms-2​

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.