Question

Determine the angular velocity, in radians per second, of 4.3 revolutions in 9 seconds. Round the answer to the nearest tenth.

Answer 1

$\bf w=\cfrac{4.3rev}{9sec}\cdot \cfrac{2\pi }{rev}\implies w=\cfrac{4.3\cdot 2\pi }{9sec}$

simplify away.