A simple harmonic oscillator is undergoing oscillations with an amplitude A. How far is it from its equilibrium position when the kinetic and potential energies are equal?
A) A/2
B) A/
C) A
D) A/3
E) A/
B
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a. ? Ursa Majoris b. ? Ursa Majoris c. ? Ursa Majoris d. Wrong! Ursa Majoris is the name of the brightest star.
Electric field lines can cross only if both positive and negative charges are involved
Indicate whether the statement is true or false
A neutral hollow spherical conducting shell of inner radius 1.00 cm and outer radius 3.00 cm has a +2.00-µC point charge placed at its center. Find the surface charge density (a) on the inner surface of the shell
(b) on the outer surface of the shell.
An atom is excited when one or more of its electrons
A) vibrates. B) is boosted into higher energy levels. C) undergoes a frequency change. D) becomes frantic.