. A plate of length a = 0.6 m and width b = 0.4 m having a mass M = 3 kg is hinged at one of its edges AB as shown in the figure.


A plate of length a = 0.6 m and width b = 0.4 m having a mass M = 3 kg is hinged at one of its edges AB as shown in the figure.

The plate is held horizontal due to small particles colliding elastically with it from below. The particles, each of mass

m = 0.01 kg strike the shaded half of the plate elastically at the rate of 100 particles per unit area per unit time. The velocity of the striking particles is

A plate of length

(a) 83.33m/s

(b) 75.5 m/s

(c) 80 m/s

(d) 70 m/s

Best Answer

A plate of length

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