Question on: WAEC Physics - 1994
A body accelerates uniformly from rest at (2ms^{-2}). Calculate the velocity after traveling 9m
A
36\(ms^{-1}\)
B
18\(ms^{-1}\)
C
6\(ms^{-1}\)
D
4.5\(ms^{-1}\)
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Correct Option: C
(V^2= U^2+2as) =(0+ 2\times 2ms^{-2}\times 9 =36ms^{-1}) thus
V=(\sqrt{36m^2s^{-2}}) = (6ms^{-1})
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