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