alleryStart learning →A 2 kg body has 25 J of kinetic energy. Its speed?
A10 m/s
B50 m/s
C25 m/s
D5 m/s
Answer & Solution
Correct answer: D. 5 m/s
With mass 2 kg, kinetic energy equals speed squared numerically, so the speed is 5 m/s.
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