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Please answer the question as soon as possible thanks

Chandan Kumar , 8 Years ago
Grade 11
anser 1 Answers
Adarsh
Dear Chandan,
potential energy = -2 x K.E = -2 x 1/2m.v2 = -mv2.
To just escape gravitational pull , total mechanical energy must be zero. so K.E will equal to mv2.
Thanks and Regards
Adarsh
 
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