Question

what is implied by body starting from rest in a uniform circular motion​

Answer 1

Answer:

Now solve the question.

We know that,

V= U +AT. (1st Eq. Of motion)

Then, ω= α(U) + α T (for circular motion)

Since, you have said that initial velocity is 0.

Then, αT= ω(final).

By substituting the values we get:-

ω = 5(50)

So,ω=250 rad/s.

Now, v^2 =u^2 +2as. (2nd Eq. Of motion)

ω^2 = 2αs. (U=0)

250^2 =2(5)s

S= 62500/10

S=6250cm(or m)

So no. rotations= s/ω

n= 6250/250 = 25 rotations.

So it will revolve about 25 times in its axis.

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Explanation:

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