Galaxies with disks but no evident spiral arms are called
A) irregular galaxies.
B) lenticular galaxies.
C) barred spiral galaxies.
D) spheroidal components.
B
Physics & Space Science
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Newton's Laws completely replaced the incorrect work of Kepler
Indicate whether the statement is true or false
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When considering the law of conservation of lepton number for a reaction, how many different lepton numbers must be checked?
a. 1 b. 2 c. 3 d. 6
Physics & Space Science
A wire carries a steady current of 0.30 A over a period of 20 s. What total charge passes through the wire in this time interval?
a. 67 C b. 20 C c. 6.0 C d. 0.015 C e. 0.30 C
Physics & Space Science
If two slide projectors are connected in parallel across the same 120 volt source, the current drawn from the source remains at 6 amperes
Indicate whether the statement is true or false
Physics & Space Science