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| 1. |
A 30 kg block rests on a rough horizontal surface . a force of 200 newton is applied on the block. the block acquires a speed of 4 m per second , starting from rest , in 2 second. what is the value of coefficient of friction? |
| Answer» A 30 kg block rests on a rough horizontal surface . a force of 200 newton is applied on the block. the block acquires a speed of 4 m per second , starting from rest , in 2 second. what is the value of coefficient of friction? | |