ruth-murphy_60ba4e712a63e
ruth-murphy_60ba4e712a63e
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u=0 v=1.9/34.5 km/s t=34.5 s a= (v-u)/t = 0.0016m/s^2 f=ma = 1.57 x 105 x 0.0016 ans = 0.26376 N