A phase difference of 480° corresponds to what wavelength difference?
a. 3l
c. 3l/4
b. 3l/2
d. 4l/3
D
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A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 3.00 m/s when the support string makes an angle of 45.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 47.5 degrees B. 50.0 degrees C. 59.8 degrees D. 66.4 degrees E. 75.3 degrees
Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is
a. 2,000 J. b. 4,000 J. c. 20,000 J. d. 40,000 J. e. 334,000 J.
A long, thin rod of uniform cross section and length L has a density that depends on position along the bar. The linear density of the rod is given as A(1 - x/L) + B, where L is the distance from the left end of the rod
Determine the moment of inertia of the rod about an axis perpendicular to the rod that passes through the left end of the rod. A) (A/4 + 2B/3)L2 B) (A/4 - B/3)L3 C) (-A/4 + B/3)L3 D) (-5A/4 + 2B/3)L3 E) (A/12 + B/3)L3
An average factory has a sound intensity level of 80 dB, and a boiler shop has a sound intensity level of 100 dB. How many times greater is the sound intensity of the shop than that of the factory?