A cart moving with speed has kinetic energy

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

A cart moving with speed vv has kinetic energy EE. If its speed becomes 3v3v, the new kinetic energy will be (a) 3E3E (b) 6E6E (c) 9E9E (d) 4.5E4.5E

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