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Question

A particle of mass m falls from height h and reaches the ground with velocity v0=0.6gh. Work done by dissipative forces during the process is

m द्रव्यमान का एक कण h ऊँचाई से गिरता है तथा वेग v0=0.6gh से धरातल पर पहुँचता है। प्रक्रिया के दौरान क्षयकारी बलों द्वारा किया गया कार्य है

A
–0.3mgh
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B
–0.4mgh
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C
–0.6mgh
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D
–0.7mgh
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Solution

The correct option is D –0.7mgh

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