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2 answers:
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Answer:
Sphere B has 4 times more inertia than sphere A.
Explanation:
Inertia on a Solid sphere is given by:
For this problem:
ma = mb = M
Rb = 2*Ra
With these values:
As you can see, Ib = 4 * Ia.
Answer:
(A) 0.3488 rad/sec
(B) 124.246 m
Explanation:
We have given car completes one revolution in 18 sec'
So time period T= 18 sec
Tangential speed v = 43.4 m/sec
(A) Angular velocity is given by
(B) Tangential velocity is given v = 43.4 m /sec
We know that