Earthquake P waves are
a. neither longitudinal nor transverse.
b. transverse.
c. longitudinal.
d. sometimes longitudinal and sometimes transverse.
c
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The sound from the whistle of a truck moving at 17.0 m/s toward a cliff reflects from the cliff and is heard by the driver of the truck. When it is parked at the side of the road, the whistle from the truck produces sound of frequency 2.267 kHz
As observed by the driver of the truck, what is the change in frequency the sound from the whistle due to the reflection? The speed of sound is 343 m/s. A) 236 Hz B) 228 Hz C) 207 Hz D) 118 Hz E) 472 Hz
A uniform solid sphere of mass M and radius R rotates with an angular speed ? about an axis through its center
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During an isochoric process, the internal (thermal) energy of a gas decreases by 50 J. How much energy via heating is added to the gas during this process?
A) 0 J B) 50 J C) -50 J D) 25 J E) -25 J
As a proton moves in the direction the electric field lines
A) it is moving from low potential to high potential and gaining electric potential energy. B) it is moving from low potential to high potential and losing electric potential energy. C) it is moving from high potential to low potential and gaining electric potential energy. D) it is moving from high potential to low potential and losing electric potential energy. E) both its electric potential and electric potential energy remain constant.