Frday Fobnuary 2, 2018 Name: sutt ) Instructions show ALL YOur work in detail Wi

Question

Frday Fobnuary 2, 2018 Name: sutt ) Instructions show ALL YOur work in detail Wiile all answers logibly and clearty 14ae UNITS for all final answers no collaboration, no taiking to each other you can use your book and your calculator, but nothing else 10 points ht yoar is a unit of length equal to the distance that light travels in one Julian (305 25 days a) Calculate how much is the light-year in standard units b) How much is my hight,6 ft, in light-years? b) how much is the distance from earth to sun in light years? 2) 10 points Which is traveling faster, a car going 84 km/h or one going 38 mih?

Explanation / Answer

1:- (a)-

1 light year 0.306601 parsecs

(b) 6 ft = 1.93304e-16 light year

(c) Distance from earth to sun is 0.00001581 light years.

2:- 1 mi = 1.6 Km

So second car speed is 38mi/hr = 38*1.6 = 61.16 km/hr

So, car going with speed 84km/hr is travelling faster then the car travelling with speed 38mi/hr.

1 light-year = 9460730472580800 metres

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