What initial speed must it have to reach the top

Reference no: EM13699123

Solve the all parts of following problem given below:

Problem: An attacker at the base of a castle wall 3.60 m high throws a rock straight up with speed 4.00 m/s from a height of 1.60 m above the ground.

Part A: If so, what is its speed at the top? If not, what initial speed must it have to reach the top?

in m/s

Part B: Find the change in speed of a rock thrown straight down from the top of the wall at an initial speed of 4.00 m/s and moving between the same two points.

in m/s

Do not copy and paste from Google, explain your answer clearly.

Reference no: EM13699123

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