alleryA 10 kg object is moving at a speed of 5 m/s. The kinetic energy of the object will be:
A125 J
B2 J
C50 J
D25 J
Answer & Solution
Correct answer: A. 125 J
1. Kinetic energy = ½ × m × v².
2. = ½ × 10 × (5)² = ½ × 10 × 25.
3. = 125 J.
_Source: RRB Group D CEN-02/2018 PYQ, Q.70._
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