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Physics question?
Bob is competing in the Highland Games Heavyweight events. He is tossing a 25.4kg mass for height. If he manages to toss the mass 4.5m in the air, what was the initial velocity of the mass as it leaves Bob’s hand?
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- SteveLv 74 years agoFavorite Answer
Vi = √[2*g*y] = 9.4 m/s
Source(s): Conservation of energy KISS principle - Anonymous4 years ago
V2 = u2 -2aS
U2= v2 + 2aS
U = ?, S = 4.5, a= 9.81 v= 0
U2 = 2 x 9.81 x 4.5
U2 = 88.29
U = 9.4m/s
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