What is the capacitance of a capacitor with a reactance of 20.0 at a frequency of 60.0 Hz?

A. 50.0 mF

B. 50.0 F

C. 133 mF

D. 133F

E. 833F


D. 133F

Physics & Space Science

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Nuclear Reactions: Determine the missing product X in the following nuclear reaction: O + neutron ? X + alpha particle

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

Physics & Space Science

Which factor(s) in the Drake equation (Number of Civilizations = NHP × flife × fcivilization × fnow) can we estimate based on discoveries of extrasolar planets?

A) NHP B) flife C) fcivilization D) fnow E) all of the above

Physics & Space Science

Cart A, of mass m, starts from rest and travels in a straight line with acceleration a. It traverses a distance x in time t. Cart B, of mass 4m, starts from rest and travels in a straight line with acceleration . At time t it has traversed the distance

A.

.

B.
.

C.
x.

D.
2x.

E.
4x.

Physics & Space Science

The largest planet in the solar system is

a. Jupiter. b. Neptune. c. Uranus. d. Saturn. e. Mars.

Physics & Space Science