hailstones of average size 1.0 cm in diameter fall with an average speed of 20 m/s. Suppose 2000 hailstones strike every square meter of a 10 m * 10 m roof perpendicularly in one

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During a heavy rain, hailstones of average size 1.0 cm in diameter fall with an average speed of 20 m/s. Suppose 2000 hailstones strike every square meter of a 10 m * 10 m roof perpendicularly in one
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Sep
During a heavy rain, hailstones of average size 1.0 cm in diameter fall with an average speed of 20 m/s. Suppose 2000 hailstones strike every square meter of a 10 m * 10 m roof perpendicularly in one During a heavy rain hailstones of average size 1.0 cm in diameter fall with an average speed [...]
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