A moving body of mass 10 kg has 20 joules of kinetic energy. Calculate its speed.
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40
m=10kg
k.e=20j
we know KE=1/2mv^2
therefore,
20=1/2×10×v^2
v^2=20/5
v^2=4
v=2m/s
k.e=20j
we know KE=1/2mv^2
therefore,
20=1/2×10×v^2
v^2=20/5
v^2=4
v=2m/s
Answered by
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