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64.A 3kg block has a speed of 4m/s and 8m/s at A and B respectively. If the distance between Aand Balong the curve is 12m, then calculate the magnitude of frictional force acting on the block. Assuming the same friction, how far away from B the block will stop? |
| Answer» 64.A 3kg block has a speed of 4m/s and 8m/s at A and B respectively. If the distance between Aand Balong the curve is 12m, then calculate the magnitude of frictional force acting on the block. Assuming the same friction, how far away from B the block will stop? | |