The formation process for supermassive black holes is linked with the formation of galactic ____

a. disks
b. clusters
c. central bulges
d. coronae
e. halos


c

Physics & Space Science

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The wavelength of any particle with wave characteristics, such as electrons and neutrons, is given by the _________relationship that equates the wave and particle momentum.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

By what process does the Sun generate energy?

A) nuclear fusion B) chemical reactions C) nuclear fission D) gravitational contraction E) gradual expansion

Physics & Space Science

The figure shows a cross section of three parallel wires each carrying a current of 24 A. The currents in wires B and C are out of the paper, while that in wire A is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0-m length of wire A?



a.
15 mN

b.
77 mN

c.
59 mN

d.
12 mN

e.
32 mN

Physics & Space Science

The radio source ________ is located in a place consistent with the center of our Galaxy

A) Cygnus X-1 B) 3C 273 C) 47 Tucanae D) M-8, the Lagoon Nebula E) Sgr A?

Physics & Space Science