alleryAn object of mass 13 kg moves with a uniform velocity of 5 m/s. What is its kinetic energy?
A187.5 J
B162.5 J
C17.5 J
D150.0 J
Answer & Solution
Correct answer: B. 162.5 J
1. Kinetic energy = (1/2) m v^2.
2. = (1/2) x 13 x 5^2 = (1/2) x 13 x 25.
3. = 325/2 = 162.5 J.
_Source: RRB Group D CEN-02/2018 PYQ, Q.36._
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