A wave packet can represent a quantum particle because
a. it has the localized nature of a particle. b. the group velocity is identical to the speed of the particle. c. the waves that compose the packet can show interference and diffraction.
d. of all of the above. e. of only (a) and (b) above.
D
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A tsunami, an ocean wave generated by an earthquake, propagates along the open ocean at 700 km/hr and has a wavelength of 750 km. What is the frequency of the waves in such a tsunami?
A) 0.93 Hz B) 0.00026 Hz C) 1.1 Hz D) 6.8 Hz E) 0.15 Hz
Show that the average drag coefficient for flow of a fluid over a flat surface, defined as
An equilibrium between solute dissolving and solute crystallizing is characteristic of which of the following solution types?
a. Saturated b. Unsaturated c. Supersaturated d. Concentrated
Three 4.00-? resistors are connected in parallel to a 10.4-V battery. What is the current in any one of the resistors?
a. 14.4 A b. 6.76 A c. 2.60 A d. 41.6 A e. 6.40 A