Dividing a distant galaxy's velocity by its distance will give you ________
Fill in the blank(s) with correct word
Hubble's constant
You might also like to view...
What prevents a brown dwarf from undergoing nuclear fusion?
A) Degeneracy pressure halts the contraction of a protostar so the core never becomes hot or dense enough for nuclear fusion. B) There is not enough mass to maintain nuclear reactions in a self-sustaining way. C) The surface temperature never rises high enough for the radiation to be trapped and heat its interior to the temperature required for nuclear fusion. D) Radiation pressure halts the contraction of a protostar so the core never becomes hot or dense enough for nuclear fusion. E) There are too many heavy elements and not enough hydrogen for fusion to occur in a self sustaining way.
Rubidium (Z = 37) and potassium (Z = 19) are similar to sodium in that they have ____ electron(s) in the outermost shell
a. five p b. three p c. two s d. one d e. one s
Consider a situation where a skater pulls her arms inward, causing her rotation rate to speed up. Angular momentum
a. is definitely conserved b. is definitely not conserved c. may or may not be conserved d. none of the above
Electric Field of Point-Charges: What is the magnitude of the electric field 2.8 cm from a tiny object that carries an excess charge of -16 nC? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 180,000 N/C B. 5100 N/C C. 1.8 × 1014 N/C D. -180,000 N/C E. -5100 N/C