An oscillating pendulum has a velocity of 2ms-1... - WAEC Physics 1990 Question
An oscillating pendulum has a velocity of 2ms-1 at the equilibrium position O and velocity at same point P. Using the diagram above, calculate the height of P above O. (Take g = 10ms2)
A
5.0m
B
2.0m
C
0.4m
D
0.2m
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Correct Option: D
Kinetic energy at O = P.E at P 1/2mV = mgh
h = v/2g = 0.2m
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