[填空题]
At a 755-g mass at r th-3 j ,-ij6:i6cpdop0stfcbest on the end o rhk-d ) 3u2 cumljz)vuvg(-f,f a horizontal spring (k = 124 N/m) is struck by a hammer, which gives the mass an initial speed of 2.96m/s Deteruv-k,vf)mgu)zc 3l r(-j2hud mine
(a) the period and frequency of the motion, s Hz
(b) the amplitude, m
(c) the maximum acceleration, $m/s^2$
(d) the position as a function of time, x = ( m)sin(4.08$\pi$t)
(e) the total energy. J