Physics-
General
Easy

Question

The velocity time graph of the fig. shows the motion of a wooden block of mass 1 kg which is given an initial push t = 0, along a horizontal table.

  1. The coefficient of friction between the blocks and the table is 0.1    
  2. The coefficient of friction between the blocks and the table is 0.2    
  3. If the table was half of its present roughness, the time taken by the block to complete the journey is 4 sec.    
  4. If the table was half of its present roughness, the time taken by the block to complete the journey is 8 sec.    

The correct answer is: If the table was half of its present roughness, the time taken by the block to complete the journey is 4 sec.

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