Mathematics, 03.05.2020 13:20 summeredki
An attacker at the base of a castle wall 4 m high throws a rock straight up with speed 7.5 m/s from a height of 1.5 m
above the ground.
(a) Will the rock exceed the top of the wall?
(b) If so, what is its speed when it reaches the top of the wall?
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(c) If we don’t want the stone to exceed the top of the wall (we want the top of the wall to be the maximum height)
what the initial speed that the stone must have?
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An attacker at the base of a castle wall 4 m high throws a rock straight up with speed 7.5 m/s from...
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