Math problems concerning astronomy_answers
Download as DOC, PDF0 likes67 views
1) The volume of Earth is 17.149 x 10^4 L and volume of Sauterne is 15.072x 10^6 L. Their volume ratio is 114. 2) A spacecraft traveled 38.7 million km in 387 hours at 200,000 km/h and another 38.7 million km in 96.75 hours at 400,000 km/h. The total travel time was 290.25 hours. 3) Three planets follow linear patterns of increasing distances from their sun each year. Planet A will be 30 years from the sun.
Math problems concerning astronomy_answers
- 1. Math problems answers Problem 1 V Earth= 4/3x 3.14x (64x 10^2)^2 = 17.149 x 10^4 L V Sauterne= 4/3x 3.14x (60x 10^3)^2= 15.072x 10^6 VEarth/ VSauterne= 114 Problem 2 A. u=x/t t=x/u t=77400000/200000=387h B. t1=x1/u1 t1=38700000/200000=193,5h t2=x2/u2 t2=38700000/400000=96,75h t1+t2= 290,25h C. t1=193,5h t2=x2/u2 t2=38700000/100000=387h t1+t2=580,5h Problem 3 A. Planet A: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32… Planet B: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33…. Planet C: 5, 10, 15, 20, 25, 30, 35,… They will meet in 30 years. B. Planet A: 15x 10x10^6= 150x 10^6 km Planet B: 10x 150x10^6= 1500x10^6 km Planet C: 6x 10^7 = 60x 10^6 km Problem 4 Distance of the Earth from the Sun: u=300.000 km/h t=60x8= 480s x= ut =300.000x 480 = 144.000.000 km Distance of Mercury from the Sun: x2: 57.800.000 km Distance of Mercury from the Earth: x1-x2=144.000.000- 57.800.000= 86.200.000 km
- 2. Problem 5: A. s=1/2x g x t^2 200.000= 1/2x 10 x t^2 t^2= 40.000 t=200s B. s=1/2 x g x t^2 s=1/2 x 10 x 60 ^2 s=18.000 m