Question on: JAMB Physics - 2009
If a heavy barrel is rolled up a plane inclined at 30° to the horizontal. its velocity ratio will be
A
3.0
B
3.1
C
3.2
D
2.0
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Correct Option: D
V.R = (1)/sinθ = (1)/sin 30 = (1)/(1)/2 = 2
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