Identify which of the following initial amplitudes may be treated as small enough to…

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

Identify which of the following initial amplitudes may be treated as small enough to justify simple harmonic motion of a simple pendulum:

2^{\circ},\;5^{\circ},\;7^{\circ},\;12^{\circ},\;0.05\,\text{rad}

. Write the acceptable angles only.