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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS II
55.
Multiple choice question LV
Exercise condition:
2
m.
A body of mass \(5\ kg\) is thrown up vertically with K.E. of \(490\ joule\). If the acceleration due to gravity is \(9.8\ ms^{-2}\), then the height at which the K.E. of the body becomes \(half\) its original value is given by
\(10\ m\)
\(12.5\ m\)
\(5\ m\)
\(50\ m\)
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