In a 20 × 20 × 1.5 km³ air space, ten small planes are flying at a speed of 150 km/h in total darkness. Assuming a safety region around each plane can be approximated by a sphere of radius 10m, what is the approximate average time between near collisions with your plane?

Question

In a 20 × 20 × 1.5 km³ air space, ten small planes are flying at a speed of 150 km/h in total darkness. Assuming a safety region around each plane can be approximated by a sphere of radius 10m, what is the approximate average time between near collisions with your plane?, 112.5 h, 225 h, 337.5 h, 450 h

MARKS App · Accepted Answer

Correct Option is : (B) 225 h

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