Echoes return in 2.5 secs to a person standing in front of a cliff. How far away is the cliff? The speed of sound in air at sea level is 343 m/s when the temp is 200 degrees celsius

Q: bat flying at 4.65 m/s is chasing an insect flying in the same direction. The bat emits a 39.8-kHz…

A: Given data: Speed of bat vs=4.65 m/s. Received frequency f∘=40.3 kHz. Transmitted frequency f=39.8…

Q: If you dribble a basketball with a frequency of 1.9 Hz, how muchtime does it take for you to…

A:

Q: Two trains, each moving with a velocity of 30m/s, cross each other. One of the trains gives a…

A: D

Q: The rate of blood flow through a major artery is plotted over a single heart beat. If the…

A: Given The time period of 1 beat is T=0.30 s. heartbeat is the frequency of the wave formed by the…

Q: The table below shows the speed of sound in water at different temperatures and salinities. Speed of…

A: We have to write about speed of sound in freshwater and seawater

Q: The atmosphere of Mars is much less dense than the atmosphere of the Earth so the speed of sound on…

A:

Q: Find the speed of sound?

A: Given data;  Find speed of the sound ? Where,  Distance,d=1860 m  Time taken.t=4 s

Q: During a thunderstorm, you see a strike of lightning and then five seconds later you hear the…

A: The time taken by the lightning strike to reach our eye is given by The time taken by the thunder…

Q: The speed of sound in steel is about 15 times greater than that in air. If the frequency of sound…

A: Given data The speed of sound in steel is vs=15va The speed of sound In the air is va=344 m/s The…

Q: The velocity of sound in air at sea level is above 1100 feet per second. If a man hears a clap of…

A:

Q: A supersonic aircraft is flying at an altitude of 3,000 meters with a constant velocity of 2,000…

A: To calculate the time it takes for the sound of the supersonic aircraft to reach the observer, we…

Q: A group of hikers hears an echo 4.00 s after shouting. How far away is the mountain that reflected…

A:

Q: A stone is dropped down a well with a velocity of 3.28 ft/s and 16.30 seconds later the sound of the…

A: To solve this question, we will use equations of motion. Given, Initial velocity of the stone u=3.28…

Q: If you observe a 6.0 second delay between a flash of lightning and its thunder, about how far away…

A: Given : t=6 sec v=343 m/s d=?

Q: The speed of sound at room temperature (20°C) is 343 m/s. If the speed of sound in air increases…

A:

Q: A particle goes from x = -9 m, y = -3 cm, z = -5 m to x = -2 mm, y = 0 m, z = 9 mm. Its…

A: Given that  A particle goes from x = -9 m, y = -3 cm, z = -5 m to x = -2 mm, y = 0 m, z = 9 mm.…

Q: Find the speed of sound?

A: Given data;  Distance travelled=1560 Time taken to cover the distance of sound=3 sFind speed of the…

Q: A stone is dropped into a well. The splash is heard 2.2 seconds later. What is the depth of the well…

A: Given information: Here, t is the time after which the splash is heard and vs is the sound’s speed…

Q: A group of hikers hears an echo 4.20 s after shouting. How far away is the mountain that reflected…

A:

Q: A bat flying in a cave emits a sound and receives its echo 0.06 s later. Find the distance to the…

A: Given that,speed of sound, v=343 m/secbat flying in a cave emits a sound and receives its echo 0.06…

Q: In step 2, for m to be max dm/da = 0 . Why did you use max when solving for the least value of P?

A: Since, P=20.098m     where, m=cosα+0.2sinα =>P is inversely proportional to m,    P∝1m => If m…

Q: A group of hikers hears an echo 3.40 s after shouting. How far away is the mountain that reflected…

A: Given: Time, t = 3.4 s  velocity, v = 341 m/s

Q: A lightning bolt is observed and the resultant thunderclap is heard 5 seconds afterwards. Assuming…

A: Given :- speed of sound in air  v= 340 m/s   time after which Thunderclap heard is  t = 5 sec

Q: A person holds a rifle horizontally and fires at a target. The bullet leaves the muzzle of the rifle…

A: Given: The velocity of the bullet is 460 m/s. The speed of sound is 340 m/s.

Q: A bat emits a sonar sound wave (343 m/s) that bounces off a mosquito 8.42 m away. How much time…

A:

Q: Problem 2. A ball is dropped down a well and 5 seconds later the sound of the splash is heard. If…

A: t=5 secvs=330 m/s

Q: Radio waves travel at the speed of light, c = 3.00 x 108 m/s. Find the wavelength of radio waves (in…

A: Given data: Speed of light (c) = 3.00 × 108 m/s Frequency (f) = 486 kHz Required:  Wavelength (λ) in…

Q: NOTE: for this question, give all answers with 4 significant figures. A motion detector measures…

A:

Q: A boy fires a gun and another boy at a distance of 1760 m hears the sound of firing the gun 5 s…

A: We know thatV=d tHereV=Speed of objectd=Distance travelled by objectt=time taken by object

Q: A wave has a frequency of 1.9 kHz. (a) What is the frequency in Hz? (b) What is the period of this…

A:

Q: person stands at a point 300 m in front of the face of a sheer cliff. If the person shouts, how much…

A:

Q: A stone is dropped down a well and 5 sec later the sound of the splash is heard. If the velocity of…

A: Total time to hear the sound, T= 5 secThe velocity of sound, c=1120 fps=1120×0.3048=341.4 m/s

Q: Trying to determine its depth, a rock climber drops a pebble into a chasm and hears the pebble…

A:

Q: As a racing car zooms by you, its pitch (frequency) decreases by 20%. If the speed of sound is 345…

A: The decrease in the frequency of the source as it moves away is 20%.        i.e   where,fo =…

Q: If a stationary dolphin emits a call at a sound frequency of 53 kHz. The sound wave reflects off a…

A: Original frequency of sound produced by stationary dolphin (f) = 53 kHz speed of sound (v) = 343 m/s…

Q: On a day when the speed of sound in air is 340 m/s, a lightning bolt is observed and the resultant…

A: speed of sound in air  v= 340 m/s time after which Thunderclap heard is  t = 2 sec

Q: The position of an object is given by r=(5.00t2+4.00t+7.00)[m]r=(5.00t2+4.00t+7.00)[m], where rr is…

A:

Q: An airline passenger jet is travelling at a cruising speed of 907 km/h. If the local speed of sound…

A: The cruising speed of the passenger is 907 km/h. The local speed of the sound is 313 m/s.

Q: 4xgxcos@yxD h= 0,53 cm D= 2mm 0= 45° Y= 13600N/m³ ..N/m

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A person stands at a point 348 m in front of the face of a sheer cliff. If the person shouts, how…

A:

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.