Asked by Pedlo
What is the kinetic energy of a rock of mass 220g after it has fallen freely for 5seconds?g=10m/s2?
Answers
Answered by
henry2,
V = Vo + g*t = 0 + 10*5 = 50 m/s.
KE = 0.5M*V^2 = 0.5*0.22*50^2 = ___ Joules.
KE = 0.5M*V^2 = 0.5*0.22*50^2 = ___ Joules.
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