Sun? The Boltzmann's constant is k=1.38x10-23 J/K J KE av (b) What is the average kinetic energy of a helium atom in a region of the solar corona where the temperature is 6 x 105⁰K? KE av J
Q: Nuclear fusion - the energy source of the Sun, hydrogen bombs, and fusion reactors - occurs much…
A: Given average kinetic energy of the atoms is K.E.= 5.65 × 10-14 J
Q: If the temperature decreases by a factor of 2, how much will the energy decrease? We have two…
A: Solution:Given:n = by this factor temperature decreases = 2 Told = old termperature = n x Tnew Tnew…
Q: Q¹: Consider the Debye frequency of sodium is (3.3 x 10¹2 Hz). Calculate the specific heat of sodium…
A: Introduction Debye frequency : The Debye frequency is the angular frequency at which the…
Q: A.) True or false, why? a gram of celsium has more atoms than a gram of hydrogen. B.) True or…
A:
Q: The amount of radiant energy emitted by a surface is given by q = ɛ0 AT+ where q represents the rate…
A: Dimensional Analysis Dimensional Analysis is a method of studying the dimensions of complex physical…
Q: (a)What is the average kinetic energy (in J) of hydrogen atoms on the 5500°C surface of the sun?…
A:
Q: Determine the average speed of an air particle at 15 oC. The mass of one air particle is about…
A:
Q: On the Kelvin scale, absolute zero is the temperature 0 K. Although temperatures very close to 0 K…
A: (A) Absolute zero is unattainable till now. It require high (can say infinite) amount of energy to…
Q: Homework 6 Problem 3: The core of the Sun has a temperature of 1.5 × 107 K, while the surface of…
A: Answers for each sub questions are in each steps.Explanation:Step 1: Step 2: Step 3:
Q: If a cup of coffee has temperature 95∘C95∘C in a room where the temperature is 20∘C,20∘C, then,…
A:
Q: On a 1 Carbon has a mass of 12.011 amu and hydrogen has a mass of 1.008 amu. the mass of methane in…
A: Mass of carbon = 12.011 amuMass of hydrogen = 1.008 amu
Q: Estimate the total thermal energy of the Sun from the fact that its internal temperature is of order…
A: The virial theorem relates the total kinetic energy of a self-gravitating body to its gravitational…
Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…
A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…
Q: Assume the overall world energy consumption is 650 EJ. Now assume that you transfer all this energy…
A:
Q: Two stars, A and B, have the same emissivity, but the radii and surface temperatures are different…
A: Two stars A and B have the same emissivity. (e=emissivity, are same) Star A, radius RA=0.5R,B,, are…
Q: The energy reaching Earth from the Sun at the top of the atmosphere is 1.36 x10^3 W/m2 , called the…
A: According to Stefan Boltzmann lawE=eσT4WhereE=the amount of radiation emitted per unit time per…
Q: A two level system has N1=6000 and N2=4000 when the temperature is 700K. What is SE?
A: The Boltzmann distribution is a statistical model that describes the distribution of energy levels…
Q: 240 m/s projectile with specific heat c = 0.128 J/gK lodges in a slab of ice at 00C. How much of the…
A:
Q: Consider an insulated container containing 2.56-kg ice at -11°c. Inside the container, there is a…
A: mass of ice = 2.56 kg initial temperature of ice = -11oC radius of spherical object (r)= 0.36 m…
Q: A student in a lecture hall has 0.320 m2 of skin (arms, hands, and head) exposed. The skin is at…
A: in this question we determine emit radiation rate.
Q: 19 Does our ability to survive on Earth’s surface depend on the greenhouse effect? Explain.
A: To explain the relationship of life on earth surface and greenhouse effect
Q: When two bodies of different temperatures and masses are put in contact, a the hotter body heats…
A: Heat is the form of energy which is transferred from one object to another when they are in contact…
Q: At midday when a shopping center with a flat black roof is directly under the Sun, it receives 1,000…
A: Given, The power received from the sun, P = 1000 W (per square meter) the emissivity of the surface,…
Q: Written Challenge Problem, Planetary Temperatures: The Sun radiates 3.86x1026W. Earth's distance…
A:
Q: On a certain day, the temperature dropped from 480F to 170F in 6 hours. What is the temperature…
A:
Step by step
Solved in 3 steps with 1 images
- What is the net heat current in radiation of an Ice cube at 0 °C if the surrounding air is at 20°C? The ice cube has sides of length 2.50 cm, the emissivity of ice is 0.96 and the Stefan-Boltzmann constant is o = 5.67 x 10-8 Watts/m2Kª. Is the heat flow out or into the ice cube, explain?A steel measuring tape used by a civil engineer is 50metres long and calibrated at 200C. The tape measures a distance of 35.694m at 350C. What is the actual distance measured? D = DLLT()0) a Coefficient of linear expansion of steel a = 1.2 x10-5 oC-1When a cooked chicken breast is first removed from an oven, it has a surface temperature of 180 C. By the time the chicken is served at the table it has cooled to 120 C. What is the ratio of energy flux density emitted from the surface of the chicken when it has cooled to that when it was hot? Group of answer choices A. depends on mass of the chicken B. 0.20 C. 0.57 D. 0.67 E. depends on surface area of the chicken