The lifetime of a star is dependent on its ________.
A. temperature
B. mass
C. volume
D. luminosity
Answer: B
You might also like to view...
Entropy: When 0.50 kg of water at 0°C freezes, what is the change in entropy of the water? The latent heat of fusion of water is 33,400 J/kg.
A. 0 J/K B. 610 J/K C. -610 J/K D. -17,000 J/K E. 17,000 J/K
You walk 53 m to the north, then you turn 60° to your right and walk another Determine the direction of your displacement vector. Express your answer as an angle relative to east
A) 63° N of E B) 50° N of E C) 57° N of E D) 69° N of E
At present the universe is expanding, but we are not certain if this expansion will continue forever, come to a stop, or if the universe will ultimately collapse back into itself
What observational tests are possible to test among these three possibilities?
The mass in the figure slides on a frictionless surface. If m = 2 kg, k1 = 800 N/m and k2 = 500 N/m, the frequency of oscillation (in Hz) is approximately
?
?
A. 6. B. 2. C. 4. D. 8. E. 10.