Reverberation is a phenomenon you would be likely experience while singing in the
A) shower.
B) desert.
C) tundra.
Answer: A
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Two vehicles with equal magnitudes of momentum traveling at right angles to each other undergo an inelastic collision. The magnitude of momentum for the combined wreck is
A) the same as the magnitude of momentum of either car before collision. B) less than the magnitude of momentum of either car before collision. C) greater than the magnitude of momentum of either car before collision. D) none of the above
An ideal massless spring with a spring constant of 2.00 N/m is attached to an object of 75.0 g. The system has a small amount of damping. If the amplitude of the oscillations decreases from 10.0 mm to 5.00 mm in 15
0 s, what is the magnitude of the damping constant b? A) 0.00693 kg/s B) 0.0462 kg/s C) 0.00762 kg/s D) 0.0100 kg/s E) 0.00857 kg/s
People can snorkel down to a depth of roughly one meter. This means that the additional pressure on the air in their lungs is roughly
a. 9800 N. b. 9800 Pa. c. 9800 ATM. d. 19,600 N. e. 19,600 N/m2.
A volume of helium gas has a temperature of 10°C. The same gas twice as hot has a temperature of
A) 20°C. B) 12°C. C) 283°C. D) 293°C. E) none of the above