A) \[4\sqrt{5}\,\,J\]
B) 20 J
C) 10 J
D) 30 J
Correct Answer: B
Solution :
Kinetic energy is the energy possessed by a body of mass m due to its velocity v. \[KE=\frac{1}{2}m{{v}^{2}}\]You need to login to perform this action.
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