I Review Constants Part A A friend of yours is loudly singing a single note at...
CH 16 Traveling Waves Problem 16.41 Review Part A A friend of yours is loudly singing a single note at 395 Hz while racing toward you at 25.8 m/s on a day when the speed of sound is 346 m/s What frequency do you hear? Express your answer with the appropriate units. Value Units Submit Request Answer Part B What frequency does your friend hear if you suddenly start singing at 395 Hz? Express your answer with the appropriate units....
A friend of yours is loudly singing a single note at 400 Hz while racing toward you at 26.8 m/s on a day when the speed of sound is 347 m/s . What frequency do you hear? What frequency does your friend hear if you suddenly start singing at 400 Hz ?
I need ans for both thank you Problem 15.81 Review | Constants | Periodic Table Part A A physics professor demonstrates the Doppler effect by tying a 650 H sound generator to a 1.0-m-long rope and whirling it around her head in a horizontal circle at 100 rpm. Assume the room temperature is 20°C What is the highest frequency heard by a student in the classroom? Express your answer in hertz. Hz Submit Part B What is the lowest frequency...
Review I Constants Part A An echocardiogram uses 4.4 MHz ultrasound to measure blood flow in the aorta. The blood is moving away from the probe at 1.7 m/s What is the frequency shift of the reflected ultrasound? Use values given in the table if necessary. Enter a positive value if the received frequency is higher than the emitted frequency, and a negative value if the received frequency is lower than the emitted frequency. Express your answer to two significant...
Part C: How many seconds elapsed on your friend's watch when 15.0 s passed on yours? Part D: How fast did you appear to be traveling according to your friend? Part E: How many seconds elapsed on your watch when she saw 15.0 s pass on hers? Problem 26.09 15 of 16 Constants Part A A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.40 m long...
Problem 2.74 Constants Part A Suppose you are climbing in the High Sierra when you suddenly find yourself at the edge of a fog-shrouded cliff. To find the height of this cliff, you drop a rock from the top and, 13.7 s later, hear the sound of it hitting the ground at the foot of the cliff gnoring air resistance, how high is the cliff if the speed of sound is 330 m/s? Submit Previous Answers Reguest Answer
< 12 of 14 Constants Part A A speaker fixed to a moving platform moves toward a wall, emitting a steady sound with a frequency of 225 Hz. A person on the platform right next to the speaker detects the sound waves reflected off the wall and those emitted by the speaker. How fast should the platform move, vp, for the person to detect a beat frequency of 6.00 Hz? Take the speed of sound to be 344 m/s. Express...
Problem 15.16 Review l Constants l Periodic Table Part A What is its frequency? Express your answer in hertz. A sinusoidal wave travels with speed 230 wavelength is 4.0 m m/s Its Hz Submit
3 A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 533 Hz and has a speed of 30.2 m/s. The motorcycle has a speed of 12.2 m/s. Part A What frequency does the motorcyclist hear? f′= nothing Hz Request Answer Provide Feedback
Review l Constants l Periodic Table Part A A 210 g oscillator in a vacuum chamber has a frequency of 2.5 Hz. When air is admitted, the oscillation decreases to 60% of its initial amplitude in 50 s How many oso lations will have been completed when the amplitude is 30% of its initial value? Express your answer in oscillations ΑΣ oscillations Submit Request Anseer