What value does he obtain for the speed of the car

Reference no: EM13292549

A researcher notices that the frequency of a note is emitted by a car horn appears to drop from 284 Hz to 266 Hz as the car passes him. He is able to calculate the speed of the car, knowing that the speed of sound in air is 335 meters per second. What value does he obtain for the speed of the car?

Reference no: EM13292549

Questions Cloud

Design a counter which runs from 2 to 12 using d-flip-flop : design a counter which runs from 2 to 12 usingD-flip-flop. My doubt was whether to consider the unused state asdont care or to link to next state, meaning self correcting.When imake it as self correcting there are too many expressions.

Calculate salt and pepper 2011 ebit : Salt and Pepper incurred $14.9 million in depreciation expense and paid $25.5 million in taxes on EBIT in 2012. Calculate Salt and Pepper's 2011 EBIT.

Explain the table of first ionization energy : Looking at the table of first ionization energy, if the n=1 shell held 3 electrons max instead of 2, then the first ionization energy for Li(g) would be around _____ MJ/mol.

Compute the wacc : Also, Time Warner has $20 billion of debt that trades with a yield to maturity of 7%. If the firm's tax rate is 30%, compute the WACC?

What value does he obtain for the speed of the car : A researcher notices that the frequency of a note is emitted by a car horn appears to drop from 284 Hz to 266 Hz as the car passes him. What value does he obtain for the speed of the car

What is complex power output operating at rated conditions : A synchronous generator has a rated outputof 250MVA, rated voltage of 13.8kV, a rated power factor of 0.85lagging and a synchronous speed of 1800rpm. what is the complex power output when operating at rated conditions

Calculate hassan madhatter total assets : Last year, Hassan's Madhatter, Inc., had an ROA of 7 percent, a profit margin of 12.95 percent, and sales of $20 million. Calculate Hassan's Madhatter's total assets.

Explain moles of a weak acid are dissolved in enough water : When 0.0017 moles of a weak acid are dissolved in enough water to make 0.500 L, the pH of the resulting solution is 5.97. Calculate Ka.

Find the critical angle for total internal reflection : A laser beam in air is incident on a liquid at an angle of 38.0 with respect to the normal. What is the critical angle for total internal reflection for this fluid

User Account

All Pages