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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Protein is an essential part of our health as it forms building blocks for all of our cells, which then use amino acids to repair muscle, skin, organs, and bone
Review the information about Health Information Exchanges in the Niles (2024) textbook. Match the description to the term as best as you can
According to the Education and Care Services National Regulations, when children attend the service there must also be at least one staff
In Lesson, we discussed how to determine if there is a quality issue to measure and access. Meaning, once you have determined there is a quality problem
You have less than 10 minutes to identify the health and social concerns/needs and interventions you believe should be considered for Lorena
According to our textbook, lack of access to contraception negatively impacts women Why should contraception be a reproductive right?
In early childhood education and care services parents must always be fully informed in advance about anything that is provided for their child