Is the force exerted on roof in upward or downward direction

Assignment Help Physics
Reference no: EM13675288

Through a thunderstorm, winds with a speed of 47.0 m/s blow across a flat roof with an area of 785 m2.

a) Is the force exerted on the roof in the upward or downward direction?

b) Discover the magnitude of the force exerted on the roof as a result of this wind.

Reference no: EM13675288

Questions Cloud

Pipe is full with helium at the same temperature : A certain organ pipe, open at both ends, produces a fundamental frequency of 297Hz in air. If the pipe is full with helium at the same temperature, what fundamental frequency f He will it produce? Take the molar mass of air to be 28.8g/mol and the mo..
Two small metallic spheres-how long are the strings : Two small metallic spheres, each of mass m = 0.192 g, are suspended as pendulums by light strings of length L as shown in the figure below. The spheres are given the same electric charge of 7.6 nC, and they come to equilibrium when every string is at..
The maximum compression of the spring : A 25.0 kg box slide 4.0m down the frictionless ramp shown in the figure then collides with a spring whose spring constant is 250N/m. What is the maximum compression of the spring?
Volume of gasoline increases more for given temperature : Early in the morning, when the temperature is 5.0° C, gasoline is pumped into a car's 41 L steel gas tank until it is full to the top. Later in the day the temperature rises to 27° C. Since the volume of gasoline increases more for a given temperatur..
Is the force exerted on roof in upward or downward direction : Through a thunderstorm, winds with a speed of 47.0 m/s blow across a flat roof with an area of 785 m2. Is the force exerted on the roof in the upward or downward direction?
Roughly estimate the average density of the star : Rapid changes that are sometimes observed in stars might indicate that dynamical processes are taking place. From the timescales of such changes-usually oscillations with a characteristic period - we may roughly estimate the average density of the st..
Discover the speed of blood flow within the plaque region : The build-up of plaque on the walls of an artery might decrease its diameter from 1.1 cm to 0.71 cm. The speed of blood flow was 14 cm/s before reaching the region of plaque build up. Discover the speed of blood flow within the plaque region.
Charge is line connecting of net force : A charge, Q2 = -7.00x10-6 C, is 11.00 cm to the right of charge Q1 = 6.00x10-6 C. Where can a third charge are placed, along the line connecting Q1 and Q2, such that it experiences no net force (other than ±?)?
Coffee drinker is faced with the subsequent dilemma : A coffee drinker is faced with the subsequent dilemma. She is not going to drink her hot coffee with cream for ten minutes, however wants it to still be as hot as possible.

Reviews

Write a Review

Physics Questions & Answers

  How are the final temperature of aluminium related

A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.

  Uncertainty principle xp2 planck constant h2pi hp lyman

derive from the uncertainty principle a formula for the relative spread of the spectral line that corresponds to the

  Compute the total power supplied to the two resistors

Two resistors, 50.0 ? and 52.0 ?, are connected in parallel. The current through the second resistor is 2.10 A. What is the total power supplied to the two resistors

  A conductor carrying a current i 153 a is directed along

a conductor carrying a current i 15.3 a is directed along the positive x axis and perpendicular to a uniform magnetic

  A pendulum clock that works perfectly on earth is taken to

a pendulum clock that works perfectly on earth is taken to the moon. assume that the free-fall acceleration on the moon

  A converging lens f 147 cm is located 241 cm to the left

question a converging lens f 14.7 cm is located 24.1 cm to the left of a diverging lens f -6.64 cm. a postage stamp

  Write the equation for the radius of the circle

A charged particle moves in a circle in a magnetic field. (a) Starting with the force relation, write the equation for the radius of the circle

  What is the direction of the electric field at the origin

A continuous line of charge lies along the x axis, extending from x = +x0 to positive infinity. The line carries positive charge with a uniform linear charge density ?0.

  How far do the wires stretch

A 19-kg chandelier is suspended from the ceiling by four vertical steel wires. Each wire has an unloaded length of 5 m, how far do the wires stretch

  Determine the magnitude of the torque on the coil

A circular coil 17.0 cm in diameter and containing eleven loops lies flat on the ground. Determine the magnitude of the torque on the coil

  What maximum angle, measured from vertical

A gymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 106 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..

  Find the your friends speed relative to your reference frame

When he was first thinking about relativity (and before he developed his theory), find the your friend's speed relative to your reference frame

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd