YSOs are in hydrostatic equilibrium
a. True
b. False
Indicate whether the statement is true or false
False
You might also like to view...
Aluminum rod #1 is 1.0 m long with cross-section area 2.0 cm2 . Aluminum rod #2 is 2.0 m long with cross-section area 4.0 cm2 . Aluminum rod #3 is 3.0 m long with cross-section area 9.0 cm2 . If each rod has the same temperature difference applied across its ends, which rod has the greatest rate of transfer of energy between its ends?
a. #1 b. #2 c. #3 d. #2 = #3, both greater than #1 e. They each have the same rate.
A series RLC circuit has resistance 200 
inductance 0.200 H, and capacitance 0.500
F If the circuit is at resonance with a 120 V rms source, what is the average power dissipated?
A. 144 W B. 120 W C. 77.0 W D. 72.0 W E. 100 W
What are the appropriate units for the Sun's luminosity?
A) Kilograms B) Joules C) Watts D) Newtons
What is the source of acid rain?
A) Acid rain is from dissolved carbon dioxide. B) All rain is acid rain because rain has a pH is less than 7. C) Rain is normally basic, but depending on the weather it can get slightly acidic. D) All rain is acid rain because rain has a hydronium ion concentration greater than 10-7 M. E) none of the above