JEE Main Physics question
A block is kept on an inclined plane of inclination θ of length l. The velocity of the particle at the bottom of the inclined plane is (the coefficient of friction is μ)
Answer: (B)
Solution
Acceleration down the incline = g(sinθ−μcosθ). Using v² = 2al: v = √[2gl(sinθ−μcosθ)].