Satellites designed to observe the radiation from cold (3 K) dark space have sensors that are shaded from the Sun, Earth, and Moon and that are cooled to very low temperatures. Why must the sensors be at low temperature?
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A: American uses outdoor pool for children. Children find relief in the pool
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Q: Which two factors affect the amount of thermal energy an object has?
A: Two factors that affect the amount of thermal of an object are 1) The average kinetic energy of the…
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A: Gases like carbon dioxide and methane are capable of trapping heat. This is known as the greenhouse…
Q: On average, would Earth be warmer or cooler without the atmosphere? Explain your answer.
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A: 0K is known is Absolute Temperature.
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A: Thermometers are used to measure the temperature or the temperature gradient of their surroundings.…
Q: 1:- (A) If your bicycle stays under the sunlight and on a hot day what will happen to the bicycle…
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Q: When a spacecraft returns to earth, its surfaces reach a very high temperature during its high-speed…
A: Explanation: Yes, the temperature of the surface of spacecraft rises. Due to the high speed of the…
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Q: A blackbody radiator emits radiation with a wavelength of 500 micrometers. What is the temperature…
A: Given value--- wavelength = 500 micro m. We have to find--- What is the temperature of the…
Q: Since energy is radiated by all objects why can't we see them in the dark? From the rules that a…
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Q: Compare the total energy radiated by your body in one day (expressed in kilocalories) to the energy…
A: The total power radiated by our body is P=1050 W. The energy we would lose in one day will be:…
Q: Michael and Sara are performing calorimetry experiments. Michael places a 665-g empty iron pot on…
A: Given that:- The mass of the iron pot is m=665 gm=665×0.001 kgm=0.665 kg The initial temperature is…
Q: (A) Loose electrons move quickly away from hot locations, making it impossible for energy to move…
A: Introduction : Loose electrons are the outer electrons which are held loosely in the atom.
Q: In order to lose 1 pound per week, you need to reduce your daily intake by 500 Calories per day. For…
A: In order to lose one pound per week, you need to create a calorie deficit of 500 calories per day.…
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A: Assuming that the Earth's emissivity is constant, the fractional increase in power radiated away by…
Q: What is the Kelvin–Planck expression of the second law of thermodynamics?
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Q: The mass of Turkey is 25lbs Specific Heat of Turkey is 2850; kgCo The initial Temperature of Turkey…
A: The specific heat capacity of a material is the amount of heat required to increase or decrease the…
Q: A burning stove with a large flat rectangular surface on top has enough space for cooking, if…
A: Given, k =79.5 A = 2100 cm2= 0.21m2 Tin = 168o C Tout = 26o C x = 40.8 cm = 0.408 m
Q: At night, the surface of the earth cools, mostly by radiation. The surface radiates energy upward;…
A: Why does being under a tree keeps the ground warmer?
Q: A student pushes a cardboard box across a carpeted floor and afterwards notices that the bottom of…
A: Introduction: Every material has got roughness on its surface. This roughness is a result of the…
Q: The sun doesn’t shine as brightly in winter as it does in summer. This means that in winter you…
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Q: As a cook you hold place a metal pan(with a wooden handle attached to it) on top a hot flame and…
A: Given As a cook you hold place a metal pan(with a wooden handle attached to it) on top a hot flame…
Q: What is the intensity of the radiation emitted by a hot skyscraper in Dubai (350 K) relative to that…
A: Given data Temperature of the body in Dubai, TD=350 K Temperature of the body in Cusco, TC=250 K The…
Q: You are given 3 kg of water (roughly 3 liters) and a 3 kg piece of aluminum both at room…
A: Given Mass of water mw = 3 kg Mass of aluminium piece mAl = 3 kg Both have been provided equal…
Q: The temperatures of objects A and B are measured, and it is seen that the temperature of B is 72 K…
A: Given TB-TA=72K Recall T=273.15+θWhere θ is in degree celsius.
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: An object emits 30 Watts of power. If it were a perfect black body, other things are being equal, it…
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Q: How much time does the Sun need to melt a 10 cm thick layer of ice at temperature of 0.0°C? Note…
A: The thickness of the ice layer is given as, d = 10 cm (or) d = 0.1 m The temperature of ice is given…
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