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During a hailstorm, hailstones with an average mass of 4 kg and speed of 20 m/s...

  1. During a hailstorm, hailstones with an average mass of 4 kg and speed of 20 m/s strike a windowpane at a 15 degree angle with respect to the normal to the surface of the window pane. The area of the window is 1.5 m2 and the hailstones hit it at a rate of 30 per second. What average pressure do they exert on the window? How does this compare to the pressure of the atmosphere?

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