Which of the following is not a wave?
A) light
B) water flowing down a river
C) ripples on the surface of a pond
D) All of these are waves.
E) None of these are waves.
B
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Graphical Analysis: The graph in the figure represents the velocity of a particle as it travels along the x-axis. What is the average acceleration of the particle between t = 2.0 s and t = 4.0 s?
Fill in the blank(s) with the appropriate word(s).
Process of Science: Given that Einstein's equations naturally showed the possibility of an accelerating Universe, why have astronomers only recently found strong evidence for dark energy?
What will be an ideal response?
In an AC series circuit the capacitive reactance is 217 ? and frequency is 56 Hz. What is the capacitance?
a. 2.62E–5 F b. 8.23E–5 F c. 1.31E–5 F d. 1.85E–5 F e. 3.71E–5 F
A diatomic molecule has 18 × 10-5 eV of rotational energy in the L = 2 quantum state
What is its rotational energy in the L = 0 quantum state? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s) A) 3.0 × 10-5 eV B) 0 eV C) 9.0 × 10-5 eV D) 6.0 × 10-5 eV