P1520 Relativity x Gunits of mass in Em x C Secure I h ps://www.webassign n /web
ID: 1610974 • Letter: P
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P1520 Relativity x Gunits of mass in Em x C Secure I h ps://www.webassign n /web/Student/Assignment-Responses/submit?dep 5308774 Q3 -11 points My Notes A human being who lives about 72 years (a typical lifetime) will expend approximately 3x1011 Joules maintaining basic metabolism as well as a normal activity level. We get this energy by eating and digesting a lot of food during those 72 years. If we had stomachs that were able to convert food directly and completely into energy, how many kilograms of food would an average person have to consume in their lifetime 402 kg 19. -1 points My Notes The Sun radiates light at the rate of 26 Watts. How many kilograms of light leave the Sun every second? 3.85x10 kg Submit Answer Save Progress 20 -12 points My Notes Near the center of our galaxy, the Milky way, there is a supermassive black hole with a mass of about 4.2 million times the mass of the sun. The mass of the Sun is 2.0x10 kg.) 30 What is the radius of this black hole? what is that, expressed in astronomical units One AU is the average Earth-sun distance, 150 million kilometers 21. 111 points I Previous Answers My Notes Which one of these things is NOT present in all black holes? accretion disk 7:03 PM Search right here 4/21/2017Explanation / Answer
Using
E= mc^2
Where E is energy
m is mass
c is speed of light
3×10^11 = m×(3×10^8)^2
m = 3.33×10^-6 kg
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