Question

A pendulum bob 90cm long swings through a 15cm arc . Find the angle the swing in radian and in degree

Answer 1

Answer:

angel = 1/6 rad ≈ 9.55°

Explanation:

Ø = arc/radius

Ø = 15cm/90cm = 1/6 rad

we know that, π rad = 180° then,

1/6 rad = (1/6)x180°/π = 9.55°.