Civil Engineering MCQJE Level Civil Engineering
Taking g as given in the calculation, potential energy for mass 3 kg at height 4 m is:
Physics and ChemistryPhysics and ChemistryMEDIUM
Choose the correct answer
A
12 J
B
29.4 J
C
39.2 J
D
117.6 J
Correct Answer
D. 117.6 J
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Potential energy = mgh = 3 x 9.8 x 4 = 117.60000000000001 J.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.