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54. A body is projected vertically upwards from ground with a velocity 'u' and it gains a maximum height'H'm. At a point 'x'm height (x < H), the ratio ofits potential to Kinetic energy is 1 : 2. Now if thebody is projected upwards with a velocity '3u' fromthe ground, find the ratio of its potential to kineticenergy at a point whose height is ‘3x'm. (Ans 8:1) |
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Answer» in ATTACHMENT:...... |
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