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Mechanics

Hot goIITian

 Joined: 15 Oct 2010 Post: 156
6 Jan 2011 16:27:23 IST
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The instantaneous K.E of mass executing shm is k. The K.E of mass displaced half of amplitude from
Engineering Entrance , Medical Entrance , AIPMT , JEE Main , AIIMS , JEE Advanced , Physics , Mechanics , Kinematics , NewtonsLawsCirMotion , Work Power Energy collisions , Rotation , Gravitation , Simple Harmonic Motion , Fluid Mechanics , Materials Wave Sound , Super Position , units dimensions , com momentum , shm , wave sound

The instantaneous K.E of mass executing shmis k. The K.E of mass displaced half of amplitude from the mean position will be;K, 2K, 4K, 9K, 3K/4 . plzz explain....

Cool goIITian

Joined: 12 Dec 2010
Posts: 34
13 Jan 2011 21:32:13 IST
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it's simple. k.e. will be 3k/4 because the force increases in opposite direction so velocity decreases and k.e. will be less than k

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