Amount of radiant power produced by the sun
The amount of radiant power produced by the sun is approximately 3.9 x 1026 W. Assuming the sun to be a perfect blackbody sphere with a radius of 6.96 x 108 m, find its surface temperature (in kelvins).
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As part of an exercise routine an 81.9 kg person climbs 40.4 m up a vertical rope. How many (food) Calories are expected in a single climb up the rope? The acceleration due to gravity is 9.8 m/s2 and 1 food Calorie is 103 calories.
Show that he is wrong by calculating the ratio of times required to achieve the same results at these two temperatures. Assume the iron in question is FCC.
What is the radiant energy absorbed per second by his head when it is covered with hair? The surface area of the hair (assumed to be flat) is 140 cm2 and its emissivity is 0.87.
On May 23, 1998, a tanker truck loaded with gasoline (p=719.7 kg/m^3) jumped a jersey barrier and collided with an oncoming pickup truck. The resulting fireball and blaze melted structural supports of the I-95 bridge near Philadelphia on which the
The rest energy of a particle is 1 MeV. When it travels at a speed of v with respect to an observer, the kinetic energy is measured to be 0.6 MeV. Find the velocity v of the particle.
A piston-cylinder device contains R-134a. Initially the phase is saturated vapor at 160 kPa. The system then undergoes the following cycle. Determine the heat and work associated with each process.
A 9 meter diameter balloon filled with helium carries a 100 kg person.The force that will push the balloon up is F =p air v ballon.What is the acceleration of the ballon when it is first realeased?
A battery manufacturer claims that the lifetime of certain type of battery is normal with population mean of 50 hours and a standard deviation of 4 hours.. Let X( has bar on on top) be the mean lifetime of a random sample of 100 of these batteries
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Discuss how you will know that the cultural safety strategies are working (what measuring tools do you use and are they effective, if not,
A new patient comes in for her initial appointment. During your history taking, she reports suffering from extreme fatigue and pale skin a few months ago.
Respond to this student as a college student and state how you agree but keep it 160 words and simple words: "The first type of cancer
Question: Which of the following vitamins and/or minerals have a higher risk for toxicity?
Your presentation was watched by all staff in your organisation including Aunty Sally. She is a member of the community that you work in and works as a cultural
Question: What are the maintenance doses of the following for a 14 year old. Methylphenidate (Ritalin, Concerta, Metadate, Daytrana, Quillivant XR)
Question: Which practice is NOT typically associated with promoting coherence?