Question
Asked Jan 23, 2020
1 views

Can you explain please

4. As noted in the preceding example, the Sun delivers about 1 000 W/m² of energy to the
Earth's surface via electromagnetic radiation. (a) Calculate the total power that is incident on a
roof of dimensions 8.00 m ×20.0 m. (b) Determine the radiation pressure and the radiation force
exerted on the roof, assuming that the roof covering is a perfect absorber.
help_outline

Image Transcriptionclose

4. As noted in the preceding example, the Sun delivers about 1 000 W/m² of energy to the Earth's surface via electromagnetic radiation. (a) Calculate the total power that is incident on a roof of dimensions 8.00 m ×20.0 m. (b) Determine the radiation pressure and the radiation force exerted on the roof, assuming that the roof covering is a perfect absorber.

fullscreen
check_circle

Expert Answer

Step 1

Given information:

The energy intensity delivered by the sun (Is) = 1000 W/m2

The dimensions of the roof (l, b) = 20 m, 80 m

Step 2

Part a:

The power (p) received by the ro...

Physics homework question answer, step 2, image 1
fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Other

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A car goes 50mile north and 50 miles east and 40miles south. It takes half an hour to complete the j...

A: Click to see the answer

question_answer

Q: Help with a.

A: Click to see the answer

question_answer

Q: Explain why a spinning cricket ball in air does not follow a parabolic trajectory.

A: A circket ball moves simultaneously in two motions ,they are rotatory motion and linear motion

question_answer

Q: Why hot water bottles are used for fomentation?

A: Hot water has high specific heat capacity. Due to this, the water remains hot for a longer duration.

question_answer

Q: A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +4...

A: The image from the first lens will act as the object of the second.The distance to the image from th...

question_answer

Q: A particle is moving in a straight line with uniform acceleration -5m/s2 and initial velocity 12.5m/...

A: the  distance travelled for particle in uiform motion is, 

question_answer

Q: A man is sitting in a train in motion is facing the engine. He tosses a coin up, the coin falls behi...

A: A man is sitting in a train in motion is facing the engine. The coin falls behind him when he tosses...

question_answer

Q: Two point charges, Q1 = 3.0 μC and Q2 = -2.2 μC , are placed on the x axis. Suppose that Q2 is place...

A: Write the expression for electric filed due to the point charges.

question_answer

Q: Do water and ice have same specific heats?

A: The specific heat capacity is the amount of heat energy desired to increase the temperature of a sub...