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A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m². Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the force will be (ρair=1.2 kg/m³)
Options
(a) 4.8×10⁵ N,upwards
(b) 2.4×10⁵ N,upwards
(c) 2.4×10⁵ N,downwards
(d) 4.8×10⁵ N,downwards
Correct Answer:
2.4×10⁵ N,upwards
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- To measure the roughness of the surface of a material, which of the following microscope
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- When a mass M is attached to a spring of force constant K,
- When two identical capacitors are in series, they have 3 μF capacitance
- To observed diffraction, the size of the obstacle
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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