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Physics 18 Online
OpenStudy (anonymous):

In a 30.0-s interval, 500 hailstones strike a glass window with an area of 0.600m2 at an angle of 45.0°to the window surface. Each hailstone has a mass of 5.00g and a speed of 8.00 m/s. If the collisions are elastic, what are the average force and pressure on the window?

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