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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Consider a rectangular block of wood moving with a velocity v0 in a gas at temperature T and mass density ρ. Assume the velocity is along x-axis and the area of cross-section of the block perpendicular to v0 is A.

Consider a rectangular block of wood moving with a velocity v0 in a gas at temperature T and mass density ρ. Assume the velocity is along x-axis and the area of cross-section of the block perpendicular to v0 is A.

flying at random within this space with no way of knowing where the other planes are On the average about how long a time will elapse between near collision with your Ten small planes are flying at a speed of 150km/h in total darkness in an air space that is 20×20×1.5km^3 in volume. You are in one of the planes