Physics Problem Solving (Q -23), IIT-JEE physics classes - Videos


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Q.23- A varying horizontal force F=a*t acts on a block of mass m kept on a smooth horizontal surface. An identical block is kept on the first block. The coefficient of friction between the blocks is mu. The time after which the relative sliding between the blocks prevail is-
a) 2mg/a b) 2umg/a c) umg/a d) 2umga
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