What can we learn about a star from a life track on an H-R diagram?
A) how long ago it was born
B) when it will die
C) where it is located
D) what surface temperature and luminosity it will have at each stage of its life
E) all of the above
D) what surface temperature and luminosity it will have at each stage of its life
You might also like to view...
State the general rule for significant figures when adding or subtracting numbers
What will be an ideal response?
In an elastic collision between two bodies of equal mass, with body 2 initially at rest, body 1 moves off at angle ? relative to the direction of its initial velocity and body 2 at angle ?. The sine of the sum of ? and ?, sin(? + ?), is equal to
a. 0. b. 0.500. c. 0.707. d. 0.866. e. 1.00.
If you started with $100 in the bank and you had $200 after letting it sit there for 5 years, what would be the annual interest rate you received?
a. 2% b. 5% c. 10% d. 14% e. 22%
Two forces act on a 6.00-kg object. One of the forces is 11.0 N. If the object accelerates at 2.00 m/s2, what is the greatest possible magnitude of the other force?
a. 33.0 N c. 3.0 N b. 23.0 N d. 1.0 N