Two inclined planes are located as shown in figure. A particle is projected from the foot of one frictionless plane along its line with a velocity just sufficient to carry it to top after which the particle slides down the other frictionless inclined plane. The total time it will take to reach the point ๐ถ is

Question: Two inclined planes are located as shown in figure. A particle is projected from the foot of one frictionless plane along its line with a velocity just sufficient to carry it to top after which the particle slides down the other frictionless inclined plane. The total time it will take to reach the point ๐ถ is

(A) 2 s

(B) 3 s

(C) 2\sqrt{2}s

(D) 3 s

Answer: option (D)

Solution:

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