Rank the following according to the wavelength of radiant energy each emits, from the shortest wavelength to the longest: a. A light bulb with a filament glowing at 4000°C b. A rock at room temperature c. A car engine at 140°C

Q: The temperature of the layer of the Sun that is visible to the human eye is approximately 5,800 K.…

A: Given: The surface temperature of the sun is 5800 K.

Q: a) Cool roofs use highly effective materials to reflect light and absorb less heat from sunlight,…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: Michael and Sara are performing calorimetry experiments. Michael places a 689- g empty iron pot on…

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Q: Part A  The ultimate source of energy from fossil fuels is theA) radioactivity in Earth's interior…

A: Part ASun is ultimate source of energy of fossil fuels. So, the fossil fuels contain the sun's power…

Q: Which of the of the following temperature is the hottest?  A. 100 degrees celsius  B. All would…

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Q: Two blocks of platinum have a temperature of 200C. One block has a mass of 10 G, the other block…

A:

Q: 14. Under the spreading chestnut tree the village blacksmith dunks a red-hot horseshoe into a large…

A:

Q: When Jenny stepped from the grass onto the black asphalt she noticed that there was a distinct…

A: specific heat capacity is defined as the amount of heat required to raise the temperature of 1 gram…

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: OA class assignment requires you to build a solar oven that heats up water to 70°C in the shortest…

A: Here the correct option is (D) . i.e D) The material used for the outside of your oven.

Q: In this Physics course we have learnt about the more scientific concept of ‘temperature’.…

A: Temperature is a type of physical quantity that describes the level of hotness or coolness of the…

Q: A: You leave a green banana out on a table. After a couple of days it turns yellow. This is a…

A: Turning of green banana in to yellow after some days is a chemical change not a physical change…

Q: name the mode of heat transfer between a burning candle and the a persons hand if the person does…

A: Here heat is transferred by.                     B) convection

Q: . If you were to calculate how much energy (in cal) will it take to raise the temperature of 23.0 g…

A: The amount of heat or energy required to raise the temperature of any substance from its initial…

Q: The sun is shining (800 w/m2) on two cars, each with 4m2 surface area facing the sun. One is painted…

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Q: what type of energy results from the sun or an LED lightbulb? A. Nuclear B. Kinetic C. Potential D.…

A: Find:- what type of energy results from the sun or an LED lightbulb? A. Nuclear B. Kinetic C.…

Q: Frosty the Snowman’s magic hat keeps him at a comfortable temperature of -8°C. However, a nearby…

A: Given: The initial temperature of the ice is T=-8 oC. The final temperature of the ice is T=0 oC.…

Q: A star has a surface temperature of 6400 K. The intensity of a sunspot is found to be 1/3 the…

A: The expression for the intensity can be written as I=σT4…

Q: For a patient in a typical hospital setting, the most importantmechanism of heat loss is radiation.…

A: Given: The initial temperature of the patient T1 = 34 oC. The final temperature of the patient T2 =…

Q: As the sun shines on a 1500 kg concrete slab the slab absorbs 3.4 kJ of energy. concrete’s specific…

A: mass, m = 1500 kg energy, E = 3.4 kJ  specific heat, c = 880 J/kg C

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: In lab we determined the specific heat of several cubes of metal. One of those cubes was lead which…

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Q: Joule used energy produced by falling weights to increase the temperature of a certain amount of…

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Q: 8. A 900-kg roller coaster car paused at a vertical height of 50 m on the ride's second hill. If it…

A: According to the law of conservation of energy, energy cannot be created. It simply alters its…

Q: at is specific heat? How efficient an object is at absorbing light. How efficient an object is at…

A: Let us consider we have a material of mass (m).Now (Q) amount of heat energy is supplied to this…

Q: 2. Which of the following describes absolute zero? It is the temperature needed to create liquid…

A: Here, we will check each option one by one to find the correct answer -  Option(1) - This option is…

Q: The sun heats Earth by .....chosse one correct answer

A: The transfer of heat from one place to another can be achieved in three ways, Conduction Convection…

Q: A student claims that almost all of the energy that we use today is due to the Sun in some way.…

A: Energy transformation is a process in which energy changes from one form to another. But the sum of…

Q: A hot water bottle is filled with either water or vegetable oil. It is placed in the microwave until…

A: The concept used is solve this problem simply relies on the formula, Energy = mass × specific heat…

Q: 41.) The total energy of the particles of a substance as well as their potential energy is the…

A: 41. The energy contained in the motion and vibration of molecules of an object or the energy arises…

Q: Question 20 Which of the following is a reliable investigation to study how heat is transferred by…

A: Conduction plays a role in temperature regulation in living organisms. When the temperature of the…

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: 1. A book will heat up if placed in the sunlight. Why is this not an example of conduction? Explain…

A: A book will heat if it is placed in the sunlight. We have been asked that why this example is not…

Q: How does the thermos shown below keep the contents at a constant temperature? A. The thermos stores…

A: To explain : How the thermos help to keep its contents at constant temperature

Q: A meteorite enters the Earth's atmosphere at 10 times the speed of sound.  If all of the kinetic…

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Q: If the sun were to grow in overall size, but the Sun’s temperature remained constant, what would…

A: Given If the sun were to grow in overall size, but the Sun’s temperature remained constant, what…

Q: Frosty the Snowman’s magic hat keeps him at a comfortable temperature of -11°C. However, a nearby…

A:

Q: 2. A person steps out of the shower and dries off. The person's skin with an emissivity of 0.75 has…

A: Mathematically, the Stefan-Boltzmann Law can be given as, E = σe(T4 - To4) where E is the energy…

Q: ou went to Summerstrand in PE and noticed that the sea-sand on the beach is very hot on a bright and…

A: Given: You went to Summerstrand in PE and noticed that the sea-sand on the beach is very hot on a…

Q: It is not unusual for a 1000-kg car to get 30 mi/gal when traveling at 60 mi/h on a level road. A.…

A: We know that 1 miles = 1.609 km. So speed of the car v= 60 miles/hour = 60×1.609=96.54 km/h . Also…

Q: Meltdown: A certain metal has a melting point of 724 °C, and a heat of fusion (latent heat) of 77.7…

A: Heat required to melt the sample and bring it to a final temperature of 999 oC. Given, Melting point…

Q: 10. How much thermal energy do you need to melt 1.0 gram of ice (an ice cube)? The latent heat of…

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Q: 32. Farmers often spray water on a crop to prevent freeze damage when the air temperature drops well…

A: When water undergoes a phase change from liquid to solid (freezing), it releases heat in the process…

Q: Two carts slide along a frictionless track (their initial state is illustrated M= 50kg VM -0 m = 40…

A: The problem is based on the law of conservation of energy and momentum; Given for mass M; Mass M=50…