A 1.0 kg block is attached to a spring with spring constant 16 N/m and is at rest on a smooth horizontal plane. It is hit with a hammer and acquires instantaneously a speed of 0.40 m/s. The speed of the block at x = A/2 is ___________ m/s (round to two decimal places ).
发布时间:2024-04-24 21:18:57