CAPE Physics Unit 1 · 2008 (Rest of Region) · Paper 1 · Question Q9

A hammer thrower makes 4 complete revolutions in 3.2\text{ s}. The distance between the hammer and the thrower is 1.5\text{ m}. What is the centripetal acceleration of the hammer?

1. (A)0.375\text{ m s}^{-2}
2. (B)2.9\text{ m s}^{-2}
3. (C)5.8\text{ m s}^{-2}
4. (D)92.5\text{ m s}^{-2}