Water is flowing through a pipe whose cross-sectional area at point A is larger than the cross-sectional area at point B. The reading on a pressure gauge connected to the pipe at point A will be _____________ the reading on a pressure gauge connected to the pipe at point B
a. the same as b. higher than
c. lower than d. unrelated to
b
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The planet(s) of our solar system that are usually or never visible to the naked eye are
a. Mars. b. Mercury and Neptune. c. Saturn, Uranus, and Neptune. d. Uranus and Neptune. e. Mercury and Venus.
Series/Parallel Circuits: Three resistors with resistances of 2.0 ?, 6.0 ?, and 12 ? are connected across an ideal dc voltage source V = 2.0 V, as shown in the figure. What is the total current I in this circuit?
A. 0.70 A B. 1.5 A C. 2.0 A D. 3.0 A E. 6.0 A
Describe the properties of space in the vicinity of a black hole
What will be an ideal response?
Which force field can both accelerate an electron and change its speed?
A) electric field. B) magnetic field. C) both of these D) none of the above