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RRB Non Technical Model Papers 6 with solutions
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© examsnet.com
Question : 37
Total: 100
When the velocity of a body is doubled,
its momentum is doubled.
its acceleration is doubled.
its kinetic energy is doubled.
its potential energy is doubled
Validate
Solution:
(1) Kinetic energy = 1/2 × mass ×square of velocity; and Momentum= mass × velocity. So, if velocity is doubled, then its momentum also doubles and its kinetic energy becomes four times.
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