Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0×10^30 kg) and?
Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0×10^30 kg) and a radius equal to that of the Earth (6.4 x 10^6 m)
Answer –> 1.82E+9 kg/m^3 (1.82 billion kilograms per cubic meter)
How…
Density = Mass / Volume
Given:
m = 2.0E+30 kg
r = 6.4E+6 m
We just need to find the volume of the sphere
V = (4/3) * π * r^3
V = (4/3) * π * (6.4E+6 m)^3
V = (4/3) * π * (2.62E+20 m^3)
V = 1.10 cu m
D = m / V
D = (2.0E+30 kg) / (1.10 m^3)
D = 1.82E+9 kg/m^3
Black Holes, Neutron Stars, White Dwarfs, Space and Time
|
|
2 Disney Snow White, Dopey Dwarf Doll Toy, Cake Topper, Style May Differ $2.99 … |
|
|
2 Disney Snow White, Grumpy Dwarf Doll Toy, Cake Topper, Style May Differ $2.99 … |
|
|
Various Inn Signs Photo Mugs Inn signs showing; Three Squirrels, Hand a Star, Cheshire Cheese, Kings Porter a Dwarf, and Royal Oak …. |
|
|
The Flaming Lips And Stardeath And White Dwarfs With Henry Rollins And Peaches Doing Dark Side Of The Moon $5.19 FLAMING LIPS THE THE DARK SIDE OF THE MOON… |
|
|
The Birth $2.04 No Description Available.Genre: Popular MusicMedia Format: Compact DiskRating: Release Date: 19-MAY-2009… |
|
|
Music of Disney: Legacy in Song $59.98 This is the most comprehensive of Disney collections, though the Classic Disney series is more up to date. Spread across three discs, the set features hits and forgotten favorites from movies, TV, and the parks (although more thorough work remains to be done in the last regard). Since the Disney catalog is in a state of constant change, this is the only place to get some songs that aren’t currentl… |
|
|
Pinocchio (Two-Disc 70th Anniversary Platinum Edition Blu-ray/DVD Combo + BD Live) [Blu-ray] $35.99 Studio: Buena Vista Home Video Release Date: 03/10/2009… |
|
|
Cinderella (Walt Disney’s Masterpiece) [VHS] $7.97 Disney’s adaptation of the beloved fairy tale became a classic in its own right, thanks to some memorable tunes (including “A Dream Is a Wish Your Heart Makes,” “Bibbidi-Bobbidi-Boo,” and the title song) and some endearingly cute comic relief. We all know the story–the wicked stepmother and stepsisters simply won’t have it, this uppity Cinderella thinking she’s going to a ball designed to find … |
|
|
The Earth Compared to the Sun, a White Dwarf and a Neutron Star. – 24W x 15H – Peel and Stick Wall Decal by Wallmonkeys $33.99 WallMonkeys wall graphics are printed on the highest quality re-positionable, self-adhesive fabric paper. Each order is printed in-house and on-demand. WallMonkeys uses premium materials & state-of-the-art production technologies. Our white fabric material is superior to vinyl decals. You can literally see and feel the difference. Our wall graphics apply in minutes and won’t damage your paint or l… |
|
|
Zeta Piscium Is a Binary Star System Consisting of a Red Giant and a White Dwarf. – 24W x 17H – Peel and Stick Wall Decal by Wallmonkeys $33.99 WallMonkeys wall graphics are printed on the highest quality re-positionable, self-adhesive fabric paper. Each order is printed in-house and on-demand. WallMonkeys uses premium materials & state-of-the-art production technologies. Our white fabric material is superior to vinyl decals. You can literally see and feel the difference. Our wall graphics apply in minutes and won’t damage your paint or l… |