Asked by Isabelle
A 100 g mass is attached and wrapped around an apparatus at a constant radius of 10 cm. The hanging mass is dropped and obtains a speed of 0.2 m/s after 1 m. Using energy considerations, what is the moment of inertia of the apparatus?
Answers
Answered by
bobpursley
work done by gravity=mgh=1/2 m v^2 + 1/2 I w^2
mgh= 1/2 mv^2 + 1/2 I v^2 r^2
given h, v, m, r, v, solve for I
mgh= 1/2 mv^2 + 1/2 I v^2 r^2
given h, v, m, r, v, solve for I
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