a particle is thrown vertically upwars. its velocity at half of the height is 10m/s.what is the mximum height attained by it ?
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Expert's answer
2012-10-10T11:17:29-0400
Let initial velocity is U and maximum height is h. At maximum height velocity will be zero: 0 =U2 -2gh U2 =2gh Now given velocity is = 10m/sec at height h/2 so 102 = U2 -2gh/2 100 =2gh -gh h = 100/10 h =10 m
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