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