EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 31, Problem 38P
What size should the solar panel on a satellite orbiting Jupiter be if it is to collect the same amount of
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A 1.00-m² solar panel on a satellite that keeps the panel oriented perpendicular to radiation arriving from the Sun absorbs 1.40 kJ of
energy every second. The satellite is located at 1.00 AU from the Sun. (The Earth-Sun distance is approximately 1.00 AU.) How long
would it take an identical panel that is also oriented perpendicular to the incoming radiation to absorb the same amount of energy, if it
were on an interplanetary exploration vehicle 2.85 AU from the Sun?
S
A 1.00-m2 solar panel on a satellite that keeps the panel oriented perpendicular to radiation arriving from the Sun absorbs 1.40 kJ of energy every second. The satellite is located at 1.00 AU from the Sun. (The Earth-Sun distance is approximately 1.00 AU.) How long would it take an identical panel that is also oriented perpendicular to the incoming radiation to absorb the same amount of energy, if it were on an interplanetary exploration vehicle 2.05 AU from the Sun? answer in seconds
Sunlight reaches the ground with an intensity of about 1.0 kW/m2 . A sunbather has a body surface area of 0.8 m2 facing the sun while reclining on a beach chair on a clear day. (a) how much energy from direct sunlight reaches the sunbather’s skin per second? (b) What pressure does the sunlight exert if it is absorbed?
Chapter 31 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 31 - An electric field E points away from you, and its...Ch. 31 - Prob. 2QCh. 31 - Prob. 3QCh. 31 - The electric field in an EM wave traveling north...Ch. 31 - Is sound an electromagnetic wave? If not, what...Ch. 31 - Can EM waves travel through a perfect vacuum? Can...Ch. 31 - When you flip a light switch, does the overhead...Ch. 31 - Are the wavelengths of radio and television...Ch. 31 - What does the wavelength calculated in Example...Ch. 31 - Prob. 11Q
Ch. 31 - In the electromagnetic spectrum, what type of EM...Ch. 31 - Can radio waves have the same frequencies as sound...Ch. 31 - Discuss how cordless telephones make use of EM...Ch. 31 - Electromagnetic waves and sound waves can have the...Ch. 31 - What is the minimum angular speed at which...Ch. 31 - Prob. 37PCh. 31 - What size should the solar panel on a satellite...Ch. 31 - What is the range of wavelengths for (a) FM radio...Ch. 31 - Prob. 52GPCh. 31 - Prob. 54GPCh. 31 - Prob. 79GP
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- What area is needed for a solar collector to absorb 45.0 kW of power from the Sun's radiation if the collector is 75.0% efficient? (At the surface of Earth, sunlight has an average intensity of 1.00 × 10³ W/m².)arrow_forwardSolar radiation intensity averages to be 1366 W/m2 at the top of the Earth's atmosphere. What is the solar radiation intensity at the top of Mars' atmosphere? W/m2 What is the electric field strength on Mars due to solar radiation? V/marrow_forwardThe Earth has a radius of 6.38×10^6m and is 1.50×10^11m from the sun. The intensity of sunlight at Earth’s orbit is 1390W/m2. a) What is the intensity of sunlight at Neptune’s orbit, a distance of 4.5×10^12m from the sun? b) What is the total power radiated by the Sunarrow_forward
- The intensity of sunlight is around 1330 W/m2 at the top of earth’s atmosphere. If the sunlight is all absorbed, what is the force on the earth from sunlight?arrow_forwardIn Fort Collins, Colorado, the sun shines for an average of 1850 hours per year. A homeowner installs a set of solar panels that provide 4.0 kW of electric power when the sun shines. If the local utility charges $0.13/kWh, how much will she save each year on electricity because of her solar panels?arrow_forwardIf emissivity of the body is equal to 1 and Stefan constant= 5.7x10-8 watt/m?. k°. when a person is exchanging radiation energy with the environment of temperature 25c° and the skin temperature is 33c°. Find the area of the person in order to radiate 65.9 J/sec O 1.2 m2 1.61 m2 O 1.32 m2arrow_forward
- An earth-orbiting satellite has solar energy–collecting panels with a total area of 4.0 m2 . If the sun’s radiation is perpendicular to the panels and is completely absorbed, find the average solar power absorbed and the average radiation-pressure force.arrow_forwardThe average intensity of sunlight on Earth’s surface is about 700 W/m2. (a) Calculate the amount of energy that falls on a solar collector having an area of 0.500 m2 in 4.00 h. (b) What intensity would such sunlight have if concentrated by a magnifying glass onto an area 200 times smaller than its own?arrow_forward4. The sun has a mass of Mo=2.0 x 1030 kg and it radiates P = 3.8 x 1026 W in the form of electromagnetic radiation. The gravitational constant is G = 6.7 x 10-11 N- (a) Find expressions for the gravitational and electromagnetic forces on a sphere of radius r which is located a distance R from the center of the sun, assuming that all of the electromagnetic radiation incident on the sphere is absorbed, and that the sphere is composed of material with a density of p=5 g/cm³. (b) For what value of r are these forces equal? I would like for you to calculate the actual number for this part. 44°F Search Sunny TAB CAPS LOCK E 3 L % S T བ ༥ ཇ་ཥ ་ F 9 YUEOPL K CTRL SHIFT NVIDIA GEFORCE RTX N ALT x C B m BACKSPACE 5:44 PM 3/24/2024 DELETE PGONarrow_forwardquestion 18 Sunlight reaches the ground with an intensity of about 1.00 kW/m2. A sunbather has a body surface area of 0.9 m2 facing the sun while reclining on a beach chair on a clear day. (b) What pressure does the sunlight exert if it is absorbed? (a) Calculate the amount of energy from direct sunlight that reaches the sunbathers skin each second. W (b) Calculate the pressure that the sunlight exert on the person if it is absorbed. N/m2arrow_forwardUse the value of the solar energy flux on Earth to determine the radius of the Sun. Determine the power of radiation from the Sun by noting that the intensity of the radiation at the distance of Earth is 1370 W/m2. Hint: That intensity will be found everywhere on a spherical surface with radius equal to that of Earth's orbit, 139.6 million km.arrow_forwardA possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit around the Earth and then use the light from the Sun to push this "solar sail." Suppose a sail of area A = 6.40 ✕ 105 m2 and mass m = 4,900 kg is placed in orbit facing the Sun. Ignore all gravitational effects and assume a solar intensity of 1,370 W/m2. A) If the solar sail were initially in Earth orbit at an altitude of 360 km, show that a sail of this mass density could not escape Earth's gravitational pull regardless of size. (Calculate the magnitude of the gravitational field in m/s2.) B) What would the mass density (in kg/m2) of the solar sail have to be for the solar sail to attain the same initial acceleration of 1193 µm/s2.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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