Which quantum characteristic(s) would quantum computers exploit in order to achieve great computational power with only a few individual quantum elements or "qubits"?
A) Magnetic resonance.
B) Uncertainty.
C) Entanglement.
D) Wave packets.
E) Both uncertainty and entanglement.
E
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An interstellar gas cloud has the mass to form hundreds of stars. What generally happens to it?
What will be an ideal response?
The amount of current in an incandescent bulb rated 75W 120V is about
A) 0.4 A. B) 0.6 A. C) 1.2 A. D) more than 1.2 A.
Would you expect polypropylene to be denser or less dense than low-density polyethylene? Why?
A) Polypropylene should be more dense because because it has a greater molecular mass. B) Polyproylene should be more dense because its molecules are able to pack more closely together. C) Polyproylene should be less dense because its molecules are not able to pack together as tightly. D) Polypropylene should be more dense given that the polyethylene is already known to be of low density.
The vertical displacement of a string is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x – (7.22 s-1)t]. What is the wavelength of the wave?
A) 3.25 m B) 1.93 m C) 0.870 m D) 0.308 m E) 0.139 m