Question

Consider the sun-Earth system with the radiation from the sun at the Earth’s orbit to be...

Consider the sun-Earth system with the radiation from the sun at the Earth’s orbit to be 1360 W/m2. Assume the Earth’s equilibrium temperature is 255 K. Suppose Earth had a diameter twice its current diameter. In this case, what would the Earth’s equilibrium temperature be?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The intensity of the electromagnetic radiation from the sun reaching the Earth’s upper atmosphere is 1.37...
The intensity of the electromagnetic radiation from the sun reaching the Earth’s upper atmosphere is 1.37 kW/m2 . Assume that the average wavelength for this radiation is 680 nm. a. Find the number of photons per second that strike a 1 m by 3 m solar panel directly facing the sun on an orbiting satellite. b. What is the number of photon per second if the panel is tilted 25degrees away from the sun?
Problem 2 a) What is the radiant power of the sun? b) What is the radiant...
Problem 2 a) What is the radiant power of the sun? b) What is the radiant power at the surface of the earth? c) Calculation of the solar constant d) How much energy does the earth absorb? e) Using the equilibrium condition to calculate the earth’s temperature (W/O atmosphere) ? (Give a brief comment regarding your findings) f) Using the equilibrium condition to calculate the earth’s real temperature (W/ atmosphere)? (Give a brief comment regarding your findings) Problem 3 (Very...
At high noon (sun rays fall perpendicular to the surface of the earth), the sun delivers...
At high noon (sun rays fall perpendicular to the surface of the earth), the sun delivers 990 W to each square meter of a blacktop road, emissivity of 1 (blackbody). If the hot asphalt loses energy only by radiation, what is its equilibrium temperature?
Do not solve the following question numerically unless specifically asked to do so. The flux from...
Do not solve the following question numerically unless specifically asked to do so. The flux from the Sun’s surface is given by L(sun)= 4πR(sun)^2 σT(sun)^4 , where T(sun) is the temperature on the Sun’s surface. (a) What Is the incident luminosity from the Sun seen on Earth’s surface? (b) Only a part of the luminosity incident on Earth’s surface is reflected back. The fraction of radiation reflected from Earth’s surface, or albedo, is given by A. The other part is...
The radius of the Earth’s orbit around the sun (assumed to be circular) is 1.50∙108 km,...
The radius of the Earth’s orbit around the sun (assumed to be circular) is 1.50∙108 km, and the Earth travels around this obit in 365 days. The mass of the Earth is 5.97∙1024 kg. magnitude of the orbital velocity of the Earth: 2.98.104 m/s acceleration of the earth toward the sun: 5.91.10-3 m/s2 a) What is the magnitude of centripetal force acting on the Earth? b) What is responsible for providing this centripetal force? c) Calculate the gravitational acceleration OF...
The sun is 150,000,000 km from earth; its diameter is 1,400,000 km. A student uses a...
The sun is 150,000,000 km from earth; its diameter is 1,400,000 km. A student uses a 4.0-cm-diameter lens with f = 10 cm to cast an image of the sun on a piece of paper. a. Where should the paper be placed to get a sharp image? b. What is the diameter of the image on the paper? c. The intensity of the incoming sunlight is 1050 W/m2. What is the power of the light captured by the lens? d....
Part C: The Earth’s atmosphere can be considered to be a heat engine, in the Carrot...
Part C: The Earth’s atmosphere can be considered to be a heat engine, in the Carrot (thermodynamic) sense. The temperature at top of the upper atmosphere is that necessary to radiate infrared energy back into space so to balance that gained from the sun. The surface is heated by the sun and insulated by the atmosphere (the greenhouse effect) so it’s warmer. 1) What is the efficiency of this heat engine if the air at Earth’s surface is 288 K...
A satellite orbits Earth with an orbit radius equal to 4 × 107 m (measured from...
A satellite orbits Earth with an orbit radius equal to 4 × 107 m (measured from the center of the Earth). The satellite transmits electromagnetic waves to 2 × 109 Hz. Assume that the satellite transmits the radiation evenly in all directions. The intensity of the EM wave received by an antenna circular on the Earth's surface is 2 × 10-12 W / m2 when the satellite is located 3 × 107 m above the antenna. The antenna disk has...
The minimum distance of a comet from the Sun is observed to be an eighth of...
The minimum distance of a comet from the Sun is observed to be an eighth of the radius of the Earth’s orbit (which is assumed to be circular), and its speed at that point (the perihelion) is four times the orbital speed vE of the Earth. The orbits of the Earth and comet are coplanar. a) Find the comet’s speed in terms of vE when it crosses the Earth’s orbit, and the angle at which the orbits cross. b) Will...
Consider a surface of area 26 m2 at which the convection and radiation heat transfer coefficients...
Consider a surface of area 26 m2 at which the convection and radiation heat transfer coefficients are 13.05 W/m2·K and 20.39 W/m2·K, respectively. Assume the medium and the surrounding surfaces are at the same temperature. Determine the single equivalent heat transfer coefficient (in W/m2·K). (Round the final answer to two decimal places.)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT