The Universe has____

a. an edge, does not have a center, and is finite
b. no edge, does not have a center, and is finite
c. an edge, has a center, and is finite
d. an edge, has a center, and is infinite
e. no edge, does not have a center, and is infinite


e

Physics & Space Science

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Terminal Voltage and Internal Resistance: A 7.0-? resistor is connected across the terminals of a battery having an internal emf of 10 V. If 0.50-A current flows, what is the internal resistance of the battery?

A. 13 ? B. 20 ? C. 10.8 ? D. 27.0 ?

Physics & Space Science

In the above H-R diagram, which main sequence star is reddish in color?

A. A B. B C. C D. D E. E

Physics & Space Science

Stress is proportional to strain means that

A.

stress = constant × strain.

B.
stress = (constant 1) × strain + constant 2.

C.
stress = .

D.
stress = .

E.
stress × strain = constant.

Physics & Space Science

The nearest star system closest to our Sun is about

A) 4 light years away. B) 20 light years away. C) 100 light years away. D) 40,000 light years away.

Physics & Space Science