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Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS II
49.
Multiple choice question XLIX
Exercise condition:
2
m.
A block of mass \(2\ kg\) falls from the wall at a height of \(2.3\ m\). Calculate the velocity just before it hits the ground. (\(g\ =\ 9.8\ ms^{-2}\))
\(-6.7\ ms^{-1}\)
\(-26.8\ ms^{-1}\)
\(13.4\ m\)
\(3.36\ m\)
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