Find The Pressure Exerted On The Roof By The Rain

The pressure exerted by the falling rain on the roof rises by a factor of.

Find the pressure exerted on the roof by the rain.

The mass of the rain per second that strikes the roof is 0 060 kg every second. Steady rain giving 5 mm an hour turns suddenly into a downpour 20 mm an hour and the speed of rain drops falling vertically on to a flat roof simultaneously doubles. A find the volume of water on the roof express your answer in centi cubic metre and cubic metre. Where f wind is the force acting on the gutter due to the wind ρ is the density of air v is max wind speed l is the exposed gutter edge length and w is the width of the roof.

The mass of the rain per second that strikes the roof is 0 060 kg every second. Homework statement in a tropical rainstorm 40mm of rain fell in one hour. A flat rectangular roof measures 7 5m by 4m 12mm of rain falls on the roof. We can find the pressure exerted on the face using a re arranged bernoulli equation.

The drops strike the roof with a speed of 15 m s and the mass of rain per second striking the roof is 0 071 kg s. Drops of rain fall perpendicular to the roof of a parked car during a rainstorm. A assuming the drops come to rest after striking the roof find the average force exerted by the rain on the roof. B find the mass of water that falls on the roof if 1centi cubic metre of water has a mass of 1gram express your answer in kilogram.

Please show the steps on how you got the answer thanks. Assuming that the raindrops struck an adequately drained roof normally with an average speed of 10m s find the pressure exerted on the roof by the rain. During a rain storm rain comes straight down with a velocity vi 15 m s and hits the roof of a car perpendicularly.