If the net flux through a closed surface is zero, then there can be no charge or charges within that surface
Indicate whether the statement is true or false
FALSE
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What is the wavelength (in meters) of a wave whose displacement is given by y = 0.5 sin(0.20x + 120t), where x and y are in meters and t in seconds?
A) 5.0 m B) 10. m C) 19. m D) 31. m E) 0.20 m
A 12.0-N object is oscillating in simple harmonic motion at the end of an ideal vertical spring. Its vertical position y as a function of time t is given by y(t) = 4.50 cm cos[(19.5 s-1)t - ?/8]
(a) What is the spring constant of the spring? (b) What is the maximum acceleration of the object? (c) What is the maximum speed that the object reaches? (d) How long does it take the object to go from its highest point to its lowest point?
Company X increases its profits every year by 1% million. Its growth in profits is
A) Exponential. B) Quadratic. C) Parabolic. D) Linear.
If a nucleus decays by gamma decay to a daughter nucleus, which of the following statements about this decay are correct? (There may be more than one correct choice.)
A) The daughter nucleus has more protons than the original nucleus. B) The daughter nucleus has more neutrons than the original nucleus. C) The daughter nucleus has the same number of nucleons as the original nucleus. D) The daughter nucleus has fewer protons than the original nucleus. E) The daughter nucleus has fewer neutrons than the original nucleus.