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).
Expected delivery within 24 Hours
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?
During 2011, Robin sold the following assets: business equipment for a $6,000 loss, stock investment for a $15,000 loss, and her principal residence for a $14,000 loss
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.
1939133
Questions Asked
3,689
Active Tutors
1438251
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Sue is feeling nervous and her heart is racing. What is causing this?
When Ben spotted a menacing figure in a doorway when walking home late at night, Ben's resulting physiological arousal was an example of:
Question: Which of the following is a mode of action employed by microbial control agents?
What would the brain be like if neurones weren't post-mitotic? Consider what areas of brain function might be impacted and how.
Please calculate the expected size of the PCR product from the region with a successful knock-in. Give your answer in base pairs
Question: Mendel used which type of organism to conduct his genetics research?
In a laboratory investigation, a student is studying the role of pepsin in animal digestion. Pepsin helps break down proteins into simple molecules.