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The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 92 dB.
(a) Calculate the intensity of the sound wave emitted.
W/m2
(b) What is the intensity level if eight of these fish try to imitate eight frogs by saying "Budweiser" at the same time?
dB
In order better to map the surface features of the Moon, Calculate the satellite\'s kinetic energy, gravitational potential energy, and total orbital energy
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Determine an average acceleration in coordinates with x-axis
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Calculate the magnitude, the direction of resultant force and the coefficient of kinetic friction.
A camera uses a biconvex lens made of glass with an index of refraction of 1.60 and has a radius of curvature of 12cm for the 1st surface, What is the focal length of this lens when used in air
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