Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Question
Chapter 6, Problem 4P
To determine
The total energy radiated per second per square meter increase after double the temperature
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By definition, 10,000 K is the upper limit of the Kelvin temperature scale?
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If the temperature of an object goes from 500 K to 9500 K, By what factor is its energy emitted per second increased?
A vertical glass tube of length L = 1.280 000 m is half filled with a liquid at 20.000 000C. How much will the height of the liquid column change when the tube and liquid are heated to 30.000 000C? Use coefficients aglass = 1.000 000* 10-5/K and bliquid = 4.000 000* 10-5/K.
Chapter 6 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQ
Ch. 6 - Prob. 11RQCh. 6 - How Do We Know? How is the world you see around...Ch. 6 - Prob. 1DQCh. 6 - Prob. 2DQCh. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - If one star has a temperature of 6000 K and...Ch. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 1LTLCh. 6 - Prob. 2LTLCh. 6 - Prob. 3LTLCh. 6 - Prob. 4LTL
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- A blue supergiant star has a radius of 7.4 x 1010 m. The spherical surface behaves like a blackbody radiator. If the blue supergiant star radiates an energy rate of 1.29 × 1033 w, what would be its surface temperature (in °C)? The Stefan-Boltzmann constant is 5.67 × 10-8 w/(m2 . K4).arrow_forwardFor every 1000 feet deep in the ocean, the temperature falls 4.50F. If the temperature at sea level is 900F, what would you expect the temperature to be at 15 000 feet deep in 0C and 0K?arrow_forwardA certain furnace (essentially a blackbody) emits 300 W of power when operating at a temperature of 1 Kelvin. How much power will this furnace emit when the temperature is increase to 4 Kelvin?arrow_forward
- The average speed of the atoms in a gas is 3 km/s. If the temperature of the gas is tripled, what would be the average speed of the atoms?arrow_forwardA certain furnace (essentially a blackbody) emits 300 W of power when operating at a temperature of 1 Kelvin. How much power will this furnace emit when the temperature is increased to 4 Kelvin?arrow_forwardThe Sun has a radius of about 700,000 km and a surface temperature of 5800 K. Assuming it is a perfect blackbody (an emissivity of 1), what is the rate of energy radiated (in W) from the surface of the Sun? (Hint: the surface area of a sphere is 4πR2; enter your answer in scientific notation, 1.23E12 means 1.23 * 1012).arrow_forward
- A scientist recorded the temperature of a freshwater lake at 9am and it was 18 C. She has already calculated the mass of the water in the lake to 500 kg. She expects the change in thermal energy by 6pm to be roughly 12,500 J. If that is true, what should the temperature of the lake be when she measures it again at 6pm?arrow_forwardThe temperature of an object resembling a blackbody is raised from 200K to 2000K. by how much does the amount of energy it radiates increase?arrow_forwardAn aluminum sphere is 8.40 cm in diameter. What will be its % change in volume if it is heated from 30∘C to 120 ∘C? Answer in terms of % .arrow_forward
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