Asked by Maddi
A simple pendulum oscillates with an amplitude of 30 degrees. If the length of the string is 1.0m. Calculate the velocity of the pendulum bob at its lowest point.
Answers
Answered by
bobpursley
Well, at 30 degrees, its height is
L-Lcos30
so its potential energy is mg(L-Lcos30) and that is equal to the KEnergy at the bottom...
mgL(1-cos30)=1/2 m v^2
so calculate velocity v
L-Lcos30
so its potential energy is mg(L-Lcos30) and that is equal to the KEnergy at the bottom...
mgL(1-cos30)=1/2 m v^2
so calculate velocity v
Answered by
James
5.66
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