A listener increases his distance from a sound source by a
A listener increases his distance from a sound source by a factor of 3.03. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB?
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Frank Gunter owns an apple orchard. He employs 40 apple pickers and pays them $7 per hour to pick apples, which he sells for $3.50 per box. If Frank is maximizing profits
Critically analyse the theory, concepts and models of operations and information management; Demonstrate an understanding of the importance of information management in international operations;
Determine the required size of new Schedule 40 steel pipe to carry 0.5 cfs (Q = 0.5 cfs) of water at 160o F with a maximum pressure drop of 10 psi per 1,000 ft.
An aluminum wire having a cross-sectional area equal to 3.20X10^-6 m^2 carries a current of 6.50 A. Find the drift speed of the electrons in the wire
A listener increases his distance from a sound source by a factor of 3.03. what is the change in the sound intensity level in dB
Calculate the change in pH of rainwater resulting from an increase in the PCO2 from 10-3.5 atm to 10-3.0 atm due to fossil fuel emissions.
Suppose the gas above the soda in a bottle of a soft drink is pure CO2 at a pressure of 2 atm. a. Estimate the pH of the soda. b. Calculate CT, the total dissolved inorganic carbon.
It's nighttime, and you've dropped your goggles into a swimming pool that is 3.0m deep. If you hold a laser pointer 1.2m above the edge of the pool, How far are the goggles from the edge of the pool
In long-run equilibrium, most firms (the ones that remain from the original 298) will earn the normal % rate of return.
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