At approximately what time would a full Moon be on your Meridian
a) noon
b) midnight
c) 6pm
b) midnight
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For a specific element, photons of how many different energies could be emitted by electrons in the n = 4 level as they return to the n = 1 level?
a. 3 b. 5 c. 2 d. 6
Coil 1, connected to a 100 ? resistor, sits inside coil 2 . Coil 1 is connected to a source of 60 cycle per second AC current. Which statement about coil 2 is correct?
a. No current will be induced in coil 2. b. DC current (current flow in only one direction) will be induced in coil 2. c. AC current (current flow in alternating directions) will be induced in coil 2. d. DC current will be induced in coil 2, but its direction will depend on the initial direction of flow of current in coil 1. e. Both AC and DC current will be induced in coil 2.
An athlete competing in the long jump leaves the ground with a speed of 9.14 m/s at an angle of 35° above the horizontal. How long does the athlete stay in the air, assuming no significant air resistance?
A) 0.88 s B) 1.1 s C) 0.54 s D) 0.50 s E) 2.5 s
A wave is represented by the equation y(x, t) = 3.2 cm sin(1000 rad/s t - 50
x). Another wave is represented by the equation y(x, t) = 4.2cm sin(1000 rad/s t - 50
x). If the two waves interfere constructively, then what is equation that represents the coherent superposition of the two waves?
A. y(x, t) = 7.4 cm sin(1000 rad/s t + 50.0
x)
B. y(x, t) = 1.0 cm sin(1000 rad/s t - 50.0x)
C. y(x, t) = 1.0 cm sin(1000 rad/s t + 50.0x)
D. y(x, t) = 7.4 cm sin(1000 rad/s t - 50.0x)