Thank you! Snow with mass m sits just below the top of a roof with a slope of pi

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Thank you!

Snow with mass m sits just below the top of a roof with a slope of pi/4. The roof is l = 10 root 2 meters in length and ends 10 meters above the ground. Suppose the coefficient of static friction of the snow decreases with time because the snow is warming up. Mu s(t) = 1- t / 100 seconds t le 100 seconds (4) What is the gravitational force on the snow? What is the normal force on the snow? What is the static friction force on the snow? When does the snow start to slide? Suppose the coefficient of kinetic friction mu k = 0.1. What is the acceleration of the sliding snow when it is on the roof? What is the velocity vector of the snow when it leaves the roof? Ignoring air resistance, how far from the building does the snow land? How fast is it going when it hits the ground? Qualitative: In areas with a lot of snow, houses are built with very steep rooves. Why?

Explanation / Answer

it is fluid mechanics question

F = .5 Cf V^2 (ro) A

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