What is the intensity at a spot that is at specific distance
Suppose that sound is emitted uniformly in all directions by a public address system. The intensity at a location 26 m away from the sound source is 3.40 10-4 W/m2. What is the intensity at a spot that is 84 m away?
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The sound intensity during a normal conversation is about 3.20 10-6 W/m2 at the listener's ear. Assume the sound strikes the surface of the ear perpendicularly. How much power is intercepted by the ear?
Downs Co issued $800,000 of 8% 5-yr bonds at 106, which pays interest annually. Assuming straight-line amortization, what is the total interest cost of the bonds?
Question: A satellite photographs a path on the surface of the Earth that is 1800 miles wide. Find the central angle that intercepts an arc 1800 miles on the surface of the Earth. (radius 3950 miles).
Harrison Township is studying a 700-acre site for a new landfill. The new site will save $70,000 in annual operating costs for 10 years, as Harrsion currently uses the landfill of neighboring municipality.
The intensity at a location 26 m away from the sound source is 3.40 10-4 W/m2. What is the intensity at a spot that is 84 m away?
A light truck with manual transmission has a circular brake drum with a diameter of d = 320 millimeters. Each brake pad, which presses against the drum, is s = 307 millimeters long. What central angle is subtended by one of the brake pads? Write y
Paulsen is considering the acquistion of a $217,750 machine that is expected to produce annual savings in cash operating costs of $50,000 over the next 6 years.
Resolve a force of 60lb into two components, one of which is 38lb and makes an angle of 45 degrees with the given force. Construct a triangle and use the law of sine and cosines.
It operates while immersed in a damping fluid, selected so that the oscillation amplitude will decrease to 1.00% of its initial value in 7.13s. Find the required damping constant for the system.
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This study provides new insight into the complex relationship between cultural competence and ethical sensitivity among nurses in primary healthcare settings.
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