A particle (m = 50 g, q = 5.0 mC) is released from rest when it is 50 cm from a second particle (Q = -20 mC). Determine the magnitude of the initial acceleration of the 50-g particle
a. 54 m/s2
b. 90 m/s2
c. 72 m/s2
d. 65 m/s2
e. 36 m/s2
C
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Two pulses of light, one red and one blue, have the same energy. The pulse with the greater number of photons is the
A) red pulse. B) blue pulse. C) both the same
If m? = 4, how may possible values can the spin quantum number ms have?
A) 3 B) 5 C) 4 D) 2 E) 1 F) 0
Suppose a fish is observed below the surface of a lake. The distance the fish appears below the surface when looking down from above into the water (n = 1.33) is
A. less than the fish's actual distance. B. equal to the fish's actual distance. C. greater than the fish's actual distance.