Intensity of Sound: If the intensity level of one trombone is 70 dB, calculate a reasonable estimate for the intensity level of 76 trombones all playing simultaneously in the same place?
A. 146 dB
B. 89 dB
C. 70 dB
D. 76 dB
E. 82 dB
Answer: B
You might also like to view...
If a future lander mission to Europa confirms the existence of organic molecules at the surface, the next mission would most likely deploy a probe that resembled
A) a submarine B) a ship C) a car D) an airplane
In the Bohr model of the atom, a photon may be _________ when an electron jumps from a large, high energy orbit to a smaller, low energy orbit
Fill in the blank(s) with correct word
Consider the circuit shown above. Assume that the bulb filament has the same conductivity as the other wires. The numbers label various points inside the wires. Which graph best describes the following quantities as a function of position in the circuit? (Answer T and provide your own graph if you don’t think any of the above graphs are right.) The electric field magnitude
If the temperature of a wire increases, its resistance __________
Fill in the blank(s) with correct word