(i) (I) F =ke = 25 x 0.03 = 0.75 N.
(II) F = ma = 0.75 = 2a = a = 0.375 m/s2
(ii) Force in spring decreases as spring recovers original length. No force on trolley after contact with is lost
johnmulu answered the question on May 16, 2017 at 06:17
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