Carlene Cassel
Sunday, November 6, 2011
Hard physics problem help pleaseee?
The frictional Force = mu*N = mu*m*g = 0.15*(65+115)*9.8 = 265N. So the net force is 620-265N = 355N. therefore the acceleration a = F/M = 355N/(65+115)kg = 1.97m/s^2
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