B how much force is exerted on the roof.
How much force is exerted on the roof.
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D if the roof cannot withstand this much force will it blow in or blow out.
Explain what is the pressure difference.
A is the air pressure above the roof higher or lower than the pressure inside the house.
Inner force if of 9 6 10 6 n.
Homework equations not sure the attempt at.
C lifting force on the roof p a.
Calculate the force exerted by the hail on the roof.
How much force is exerted on the roof.
A hurricane wind blows across a 7 50 m times 11 2 m flat roof at a speed of 190 km hr.
B what is the pressure difference.
Net force nf of if 9 6 10 6 9 6 10 6 0.
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Unlike rain hail usually does not come to rest after striking a surface.
Assume that air is an ideal fluid.
Is the air pressure above the roof higher or lower than the air pressure inside the house.
If the roof cannot withstand this much force will it blow in or blow out.
What is the height h of mercury in the right side of the u tube.
A hurricane wind blows across a 6 0 m x 15 m flat roof at a speed of 130 km hr.
Air flows through the tube shown in figure p63 at a rate of 1200 cm 3 s.
13 56 problem a hurricane wind blows across a 5 00m x 19 0m flat roof at a speed of 110 km hr.
Pressure inside the house is still air at 101325 pa.
A is the pressure above the roof higher or lower than the ressure inside the house.
Use 1 28 kg m 3 for the density of air.
A hurricane wind blows across a 6 0mx15 0m flat roof at a speed of 130 km h.
D if the roof cannot withstand this much force will it blow in or blow.
How much force is exerted on the roof.
If the roof cannot withstand this much force will it blow in or blow out.
C how much force is exerted on the roof.
A is the air pressure above the roof higher or lower than the pressure inside the house.
Air flows through the tube shown in figure p64.
Hail comes straight down at a mass rate of m δt 0 030 kg s and an initial velocity of v0 16 m s and strikes the roof perpendicularly.
How much force is exerted on the roof.
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A hurricane wind blows across a 6 00 m times 15 0 m flat roof at a speed of 190 km hr.
P 1 2 1 29 33 33 2 716 n m2 or pa pressure above the roof 101325 716 100 609 pa.
What is the pressure difference.
B what is the pressure difference δp pinside poutside.
How much force is exerted on the roof.
Use 1 28 kg m 3 for the density of air.
Outer force of 95 1 01000 10 5 9 6 10 6 n.
If the roof cannot withstand the force will it blow in or out.