A plank of mass 10 kg and length L is placed on a frictionless surface. A block of mass 2 kg and negligible size is placed on the plank. Coefficient of friction between the plank and the block is μ=0.2. The block is given sudden horizontal velocity of 2 m/s over the plank. Minimum value of L in meter so that the block does not fall from the plank is [g=10m/s2] (Write upto two digits after the decimal point.)

A plank of mass 10 kg and length L is placed on a frictionless surface

1.	A plank of mass 10 kg and length L is placed on a frictionless surface. A block of mass 2 kg and negligible size is placed on the plank. Coefficient of friction between the plank and the block is μ=0.2. The block is given sudden horizontal velocity of 2 m/s over the plank. Minimum value of L in meter so that the block does not fall from the plank is [g=10m/s2] (Write upto two digits after the decimal point.)
Answer» A plank of mass 10 kg and length L is placed on a frictionless surface. A block of mass 2 kg and negligible size is placed on the plank. Coefficient of friction between the plank and the block is $μ = 0.2$ . The block is given sudden horizontal velocity of 2 m/s over the plank. Minimum value of L in meter so that the block does not fall from the plank is $[g = 10 m / s^{2}]$ (Write upto two digits after the decimal point.)

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