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Inclined planes and circular motion — Question 5

Original QCE Vault practice · 1 mark

Q5 · Practice questionSimple familiar1 mark

QUESTION 5

A marker on a rotating platform moves in a circle of radius 0.85 m0.85\,\text{m} with period 1.60 s1.60\,\text{s}. What is its speed?
(A)
1.67 m s−11.67\,\text{m s}^{-1}
(B)
2.13 m s−12.13\,\text{m s}^{-1}
(C)
3.34 m s−13.34\,\text{m s}^{-1}
(D)
5.34 m s−15.34\,\text{m s}^{-1}
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