How high will a 1.90 kg rock go from the point of release if thrown straight up by someone who does 90.0 J of work on it?

How high will a 1.90 kg rock go from the point of release if thrown straight up by someone who does 90.0 J of work on it? Neglect air resistance.How much work is required to stack them one on top of another?

How high will a 1.90 kg rock go from the point of release if thrown straight up by someone who does 90.0 J ofwork on it? Neglect air resistance.How much work is required to stack them one on top…