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
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An unknown amount of gas is placed in a container with a moveable piston as shown below. The cross-sectional area of the container is A. When a mass M is placed on the piston, the height of the piston above the bottom of the container is h
An amount of energy Q is transferred by heat to the gas. (Q>0.) Put the magnitudes of the energy Q, work W, and change in internal energy ?E in order from smallest to largest.
A flat coil of wire is placed in a uniform magnetic field that is in the y direction. The magnetic flux through the coil is a zero if the plane of the coil is: (More than one answer may be correct.)
1.in the xy plane 2.in the yz plane 3.in the xz plane 4.in any orientation, because it is a constant
A stone (the system) with a mass of 1.0 kg is tied to the end of a light string which keeps it moving in a circle with a constant speed of 4.0 m/s on a perfectly smooth horizontal tabletop. The radius of the path is 0.60 m
How much work does the force exerted by the string do on the stone as it makes one-half of a complete circle? A) 100 J B) 3.8 J C) 0 J D) 40 J E) 80 J
The apparent displacement in the direction of light coming from a star because of Earth's orbital motion is called the ______________
Fill in the blank(s) with correct word