Question

A. You are in an open field in front of a mountain, which is 1.2 km...

A. You are in an open field in front of a mountain, which is 1.2 km away. You blow the car horn and hear its echo 6.7 seconds later. What is the temperature that day?

B. The fundamental frequency of a string fixed at both ends is 233 Hz. How long does it take for a wave to travel the length of this string?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1) A car is approaching a reflecting wall. A stationary observer behind the car hears a...
1) A car is approaching a reflecting wall. A stationary observer behind the car hears a sound of frequency 790 Hz from the car horn and a sound of frequency 873 Hz from the wall. (a) How fast is the car traveling? .......... km/h (b) What is the frequency of the car horn? ........... Hz (c) What frequency does the car driver hear reflected from the wall? ............ Hz ------------------------------------------------------------------------------------------------ 2) A bat flying toward an obstacle at 10 m/s...
You are playing a violin, where the fundamental frequency of one of the strings is 440...
You are playing a violin, where the fundamental frequency of one of the strings is 440 ??, as you are standing in front of the opening of a long tube that is closed at the other end. As you play, you notice that the first time you hear an echo from the tube is when the sound from the 440 ?? string is in its fourth harmonic. Assuming you are playing this string on earth, what must be the length...
You are playing a violin, where the fundamental frequency of one of the strings is 440...
You are playing a violin, where the fundamental frequency of one of the strings is 440 ??, as you are standing in front of the opening of a long tube that is closed at the other end. As you play, you notice that the first time you hear an echo from the tube is when the sound from the 440 ?? string is in its fourth harmonic. Assuming you are playing this string on earth, what must be the length...
Question 1 A hiker determines the length of a lake by listening for the echo of...
Question 1 A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. she hears the shout 2.4 seconds after shouting. estimate the length of the lake. Question 2 The A string on a violin has a fundamental frequency of 440 hz. the length of the vibrating portion is 33 cm and mass of .40 grams. Under what tension must the string be placed?\...
A guitar string of length 72.8 cm (which might be out of tune) has been plucked...
A guitar string of length 72.8 cm (which might be out of tune) has been plucked and is producing a note of frequency 334 Hz. (a) What is the speed of transverse traveling waves on this guitar string? Give your answer in m/s. HINT: The note you hear is produced by the vibrational mode of the string which has the fundamental (lowest possible) frequency. Draw a picture of the string vibrating in that mode and determine the wavelength of the...
A stone is dropped from the top of a cliff. The splash it makes when striking...
A stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 3.2 s later. How high is the cliff? 2. The pressure variation is a sound wave is given by Δ P = 0.0035 sin (0.38 π x – 1350 π t) Determine a. the wavelength b. the frequency c. the speed and d. the displacement amplitude of the wave. Assume the density of the medium to be 2.2 x...
A transverse wave propagates in a very long wire of mass per unit length 4*10^-3 kg/m...
A transverse wave propagates in a very long wire of mass per unit length 4*10^-3 kg/m and under tension of 360 N. An observer next to the wire notices 10 wave peaks (or crests) passing her in a time of 2 seconds moving to the left. a) If at t=0 and x=0 the displacement assumes its maximum value of 1mm, what is the explicit equation for the wave? b) Calculate the maximum longitudinal velocity for an infinitesimal segment of the...
1. A cord of mass 0.65 kg is stretched between two supports 8.0 m apart. If...
1. A cord of mass 0.65 kg is stretched between two supports 8.0 m apart. If the tension in the cord is 140 N, how long will it take a pulse to travel from one support to the other? 2. A 50.0 Kg ball hangs from a steel wire 1.00 mm in diameter and 6.00 m long. What would be the speed of a wave in the steel wire? 3. The intensity of an earthquake wave passing through the earth...
A large diameter closed top tank is filled with a depth of 3 meters of a...
A large diameter closed top tank is filled with a depth of 3 meters of a fluid (density 1200 kg/m3). A small pipe leading from the bottom of the tank must carry the fluid some height above the fluid level in the tank. a) If a pressure of 2.5 Atmospheres is maintained in the space above the fill line in the tank how high above the fill line can the pipe carry the fluid and still provide an exit speed...
You can sometimes hear a low-frequency “moaning” noise when strong winds blow through power lines strung...
You can sometimes hear a low-frequency “moaning” noise when strong winds blow through power lines strung between two poles. The wind is exciting a particular standing wave mode on the wire between its fixed ends at the poles; in this example, the wire is observed to have the shape shown in the diagram below at a particular instant in time. (a) If, for this mode (or harmonic), the frequency you hear is 20 Hz (near the lower threshold of human...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT