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If a star with a radius of 600000km has a surface temperature of 6000K, calculate its luminosity

Use the formula Luminosity = (Surface temperature)^4 Surface area Stefan's constantCalculate surface area with 4 pi radius^2Area=4.52 10^18therefore luminosity= 4.52 10^18 * (6000)^4 * 5.67 10^-8luminosity =...
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Why is cyclohexene able to react with bromine water, but Benzene isn't

Cyclohexene's structure is 6 carbons bonded in a ring, with a single double bond existing between carbons 1 and 6Benzene is also a 6 carbon ring, however it has a delocalised electron ring around the structu...
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Calculate the volume obtained when rotating the curve y=x^2 360 degrees around the x axis for 0<x<2

I haven't yet figured out how to write in proper mathematical notation on here, and my drawing pad is yet to arrive, so please forgive the formatFirst, the formula for the volume of revolution is V= pi * the...
Answered by • Maths tutor
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To what extent was US military strategy the main reason for their defeat in the Vietnam War?

The counter-productive and inappropriate American military strategy in the Vietnam War was, to a great extent, the main reason for their loss of the war, however a combination of factors made the war 'unwinn...
Answered by • History tutor
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Explain the process of oxidative phosphorylation

Oxidative phosphorylation is the process by which energy in the form of ATP is produced when there is oxygen present in the cells. It occurs in the membrane of the mitochondria. Reduced NAD which is produced...
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Answered by Abaan B. • Biology tutor
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