A Type Sa galaxy is a spiral with a large bulge and tightly wound arms
Indicate whether the statement is true or false
TRUE
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A person is nearsighted with a far point of 75.0 cm. (a) What focal length contact lens is needed to give him normal vision? (b) What is the power of the corrective lens?
What will be an ideal response?
A simple series circuit contains a 6.0-? resistor, an ideal 15-V DC power supply, and an 18-H inductor. What the time constant of this circuit?
A) 3.0 s B) 110 s C) 0.33 s D) None of the given answers are correct.
2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres and fills a volume of 2.00 liters. What is the average kinetic energy per particle in the gas?
a. 
b. 
c. 
d. 
e. 
Suppose that we allow an ideal gas containing N atoms to expand slowly and isothermally to twice its initial volume. By what factor does its multiplicity increase?
A. By a factor of 2. B. By a factor of 2N. C. The multiplicity does not change. D. The answer depends on the gas’s initial volume. E. The answer depends on the gas’s fixed temperature.