Calculate the pressure amplitude
A sound waves in air at 20* C has frequency of 150 Hz and a displacement amplitude of 5.00 x 10^-3 mm. For his sound wave calculate the a) pressure amplitude (in Pa) b) intensity (in W/m^2) c) sound intensity level (in decibels).
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Margaret is trying to decide whether or not to place funds in a qualified tuition program. Her son will be attending college in four years. She is in the 35% marginal tax bracket and she believes she can earn 7% before tax return on alternative in
What angle between the directions of this two displacements give a resultant displacement of magnitude (a) 5.1 m, (b) 3.0 m, and (c) 3.3 m.
Tom, a calendar year taxpayer, filed his 2006 federal income tax return on April 1, 2007. In 2011, the IRS audits this return and assesses an income tax deficiency against Tom.
Joe is 50 years old, unmarried without children, and has earnings during 2011 of $8,000. He is not claimed as a dependent on another taxpayer's return. Does he qualify for the earned income credit?
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A listener is between the two whistles and is moving toward the right with a speed of 15.0 m/s. No wind is blowing. what is the beat frequency detected by the listener?
Consider a stock paying continous dividens of 1%. Assume r=0.06 \(\sigma=0.32\) stock price of s(0)=33.
You have two capacitors, one with capacitance 10.5 oF and the other of unknown capacitance. You connect the two capacitors in series with a voltage difference of 325-V applied across the capacitors.
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