What is the intensity of the sound
The sound level measured 5.2 m away from a jet engine is 140 dB.
(A) What is the intensity of the sound at 5.2 m?
(B) What is the power transmitted by the sound waves?
(C) At what distance is the sound level exactly half?
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A 8.0 uf (uf means microfarad) capacitor and a 6.0 uf capacitor are connected in series, and the combination is connected in parallel with a 4.0 uf capacitor. What is the equivalent capacitance (in microfarads) of this combination?
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.260T over a region of radius 2.40m. (a) What is the cyclotron frequency?
Income before interest and taxes is expected to be $3,500,000. The company has a 30% tax rate and has 600,000 shares of common stock outstanding prior to the new financing.
Caruso Corporation purchased 35,000 shares of common stock of Howe Company as a long-term investment for $700,000. During the year, Howe Company reported net income of $300,000 and paid dividends of $100,000.
The sound level measured 5.2 m away from a jet engine is 140 dB. (A) What is the intensity of the sound at 5.2 m?
If the transformer wee connected backwards, secondary coil to power source, what would be the output voltage of the device?
Oleary Corporation is issuing $600,000 of 8%, 5-year bonds when potential bond investors want a return of 10%. Interest is payable semiannually.
Estimate the electrical energy stored in the atmosphere, if the earth's electric field extends upward for 1700 m. and has an average magnitude of 170 V./m.
A 5 cm by 5 cm square loop of wire is rotating at 30 rpm in a uniform magnetic field of strength 3.0T. The direction of the field is perpendicular to the axis of rotation of the loop. What is the emf in the loop?
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