A moving body of 30kg has 60 joules of ke. Calculate the speed
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we know
kinetic energy =1/2mv^2
60=1/2x30x v^2
60*2=30*v^2
120/30=v^2
4=v^2
v=√4
v=2m/s
kinetic energy =1/2mv^2
60=1/2x30x v^2
60*2=30*v^2
120/30=v^2
4=v^2
v=√4
v=2m/s
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