A body is in simple harmonic motion of amplitude 0.50 m and period π seconds\pi\text{ seconds}π seconds. What is its speed when its displacement is 0.30 m?
0.32 m s−10.32\text{ m s}^{-1}0.32 m s−1
0.40 m s−10.40\text{ m s}^{-1}0.40 m s−1
0.80 m s−10.80\text{ m s}^{-1}0.80 m s−1
1.6 m s−11.6\text{ m s}^{-1}1.6 m s−1
