Astronomers using a 2.0-m-diameter telescope observe a distant supernova-an exploding star. The telescope's detector records 7.5 x 10-11 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 5.5 x 1037 W for the first 10 s of the explosion. Part A How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 x 108 m/s. Express your answer in light years. ▸ View Available Hint(s) [5] ΑΣΦ xa Xb d=2.86.10⁰ √x √√x x C 1x1 ? X.10 DE ly

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Astronomers using a 2.0-m-diameter telescope observe a distant
supernova-an exploding star. The telescope's detector records 7.5 x
10-¹1 J of light energy during the first 10 s. It's known that this type of
supernova has a visible-light power output of 5.5 x 10³7 W for the
first 10 s of the explosion.
Part A
How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 x 108 m/s.
Express your answer in light years.
► View Available Hint(s)
VE ΑΣΦ
xa
Xb
b
d=2.86 108
√x x x
Submit Previous Answers
< Return to Assignment
x
Provide Feedback
IXI
?
X.10n
X Incorrect; Try Again; 5 attempts remaining
It seems that you have used the telescope's diameter instead of its radius in your calculations.
You may need to review Area Calculations for a Circle.
ly
Transcribed Image Text:Astronomers using a 2.0-m-diameter telescope observe a distant supernova-an exploding star. The telescope's detector records 7.5 x 10-¹1 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 5.5 x 10³7 W for the first 10 s of the explosion. Part A How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 x 108 m/s. Express your answer in light years. ► View Available Hint(s) VE ΑΣΦ xa Xb b d=2.86 108 √x x x Submit Previous Answers < Return to Assignment x Provide Feedback IXI ? X.10n X Incorrect; Try Again; 5 attempts remaining It seems that you have used the telescope's diameter instead of its radius in your calculations. You may need to review Area Calculations for a Circle. ly
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