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WAEC - Physics (2007 - No. 10)

A body accelerates uniformly from rest at 2ms-2. Calculate the magnitude of its velocity after travelling 9m
4.5 ms-1
6.0ms-1
18.0-1
36.0-1

Explication

v = \(\sqrt{U^2} + 2as = \sqrt{0^2} + 2 \times 2 \times 9 = 6\)m/s

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