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Assume that in the lab you proved that the period of the pendulum does not depen

ID: 1459989 • Letter: A

Question

Assume that in the lab you proved that the period of the pendulum does not depend on its mass (again it is yet to be proven in the lab!!!). Which of the following parameters do you think you can account for in the prediction of the period of the pendulum using dimensional analysis techniques? (Check all that apply)

L - pendulum length

F - force of friction in the air

2 - correct numerical constant for the pendulum period

g - acceleration of free fall

- launching angle

I - moment of inertia of the pendulum bob

Apply dimensional analysis technique to the parameters you picked above. Show your work in the field below. Use "^" for the exponent (raising to the power) symbol. (WHAT IS THIS? HOW DO I THIS?)

Write down the resulting expression for the period of the pendulum in terms of whichever parameters, L , g , 0 , I , 2 you chose.

T =

Explanation / Answer

T = 2*pi*sqrt(L/g)

here 2*pi do not have any unit

dimensions of length is L

dimensions of g is L/T^2

so, dimensions of sqrt(L/g) is sqrt( L/(L/T^2)) = sqrt(T^2) = T <<<----Answer