The noise a lawn mower produces is 80 dB. How much noise is from 12 identical lawn mowers?
Q: A Doppler blood flowmeter emits ultrasound at a frequency of 5.0 MHz. What is the beat frequency…
A: Given that, fs=5.0 MHzvo=0.15 m/s The beat frequency between the waves that are emitted and the…
Q: An ambulance with a siren emitting a frequency of 1600HZ overtakes and passes a cyclist pedaling a…
A: Given that:- The frequency emitted is, f0 =1600 Hz. The speed of the cyclist is, v0 =4 m/s. The…
Q: A tension is applied to a 4-g string that is 0.39 m. The string vibrates at 552 Hz, this frequency…
A:
Q: The volume control on a stereo is designed so that three clicks of the dial increase the output by…
A: Since the decibel scale is a logarithmic one, an increase of a fixed number of dB for each click…
Q: a. If Newton's formula is applicable, then the formula for the velocity of sound is _____. b. The…
A:
Q: Ten cars at an intersection are blowing their horns simultaneously, creating a 98 decibel sound in…
A:
Q: A bee is emitting a frequency of 300Hz. The bee is flying towards you at 2m/s while you are running…
A: The observed frequency when the source is moving towards the observer and the observer is moving…
Q: The noise a lawn mower produces is 80 dB. How much noise is from 5 identical lawn mowers?
A: Given that the noise a single on more producers is 80 dB. And we can assume the intensity of single…
Q: A Doppler blood flowmeter emits ultrasound at a frequency of 5.0 MHz. What is the beat frequency…
A:
Q: You are in a car moving at 90 km/h and you see someone at the side of the highway. You use your horn…
A:
Q: The cabin noise level of the new Boeing 787 "Dreamliner" may be about 6 decibels lower than that of…
A: The sound level in decibel (dB) scale is defined as:where is the intensity of the sound and is a…
Q: he noise a lawn mower produces is 80 dB. How much noise is from 10 identical lawn mowers?
A: Given: The sound level of the lawnmower is 80 dB. The number of identical lawnmowers is 10.
Q: he sound level measured in a room by a person watching a movie on a home theater system varies from…
A: Decible scale is like logarithmic scale L = 10dB log10(I /I0 ) I = INTENSITY
Q: A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call.…
A: We will answer the question using relation connecting speed of a wave to its frequency and…
Q: n a factory, three machines produce noise with intensity levels of 85dB, 90dB, 93dB. When all three…
A: Given: β1=85 dBβ2=90 dBβ3=93 dB To determine: Intensity level I. Formula used: I=Io10β10 dB Itotal =…
Q: The noise a lawn mower produces is 80 dB. How much noise is from 11 identical lawn mowers?
A: Given Noise produced by one lawn mower =80dB No of lawn mowers x=11
Q: The cabin noise level of the new Boeing 787 "Dreamliner" may be about 6 decibels lower than that of…
A: The objective of the question is to find out the factor by which the noise intensity decreases when…
Q: A piano string vibrates 4186 Hz. What is the wavelength of the vibration if the speed of sound in…
A: Write down the expression for wavelength
Q: Dolphins make sounds in air and water. What is the ratio of the wavelength of a sound in air to its…
A: Given data Tc=20°c=293 K
Q: A new jackhammer has a 1/100 reduction in sound intensity level from that of the older model, which…
A:
Q: Young's modulus for steel is 20*10^10 N/m^2 and the density is 7.8*10^3 kg/m^3. The bulk modulus for…
A:
Q: sound level measured in a room by a person watching a movie on a home theater system varies from…
A: Loudness of sound increase 10 times in increase of 10dB.
Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…
A: Given that: β1=45 dBβ2=75 dB It is required to determine the loudness of the latter sound. Now, we…
Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…
A:
Q: An average factory has a sound intensity level of 80 dB, and a boiler shop has a sound intensity…
A:
Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…
A: Introduction: The loudness of the sound is measured in decibel, and it is directly proportional to…
Q: A trumpet creates a sound intensity level of 115 dB at a distance of 1.00 m. What is the sound…
A: sound level due to one trumpet = 115 dB using formula , β = 10 log (I/Io)115 = 10 log ( I/10-12)I =…
Q: A stereo speaker produces a pure "A" tone, with a frequency of 220.0 Hz. What is the period T of the…
A: Given: A stereo speaker produces a pure "A" tone with frequency, f=220.0 Hz
Q: A train approaches a crossing at a velocity of 102 m/s. It sounds its horn, which has a frequency of…
A: velocity of train vs = 102 m/sfrequency f = 400Hzspeed of sound v =343 m/s
Q: From a distance of 4.0 m, a bystander listens to a jackhammer breaking concrete. How far would he…
A: Given quantities: Initial distance (r) = 4 meter Now, if the intensity is denoted by 'I' and the…
Q: An ultrasound unit is being used to measure a patient’s heartbeat by combining the emitted 2.0 MHz…
A: The frequency shift of waves reflected from a moving object is, ∆f=±2fsvov ∆f: Shift in frequency on…
Q: olphin is swimming at 10 metres per second towards a scuba diver. The dolphin is emitting a…
A: doppler effect will be used here
Q: A typical flute is about 66 cm long. A piccolo is a very similar instrument, though it is smaller,…
A: Pitch
Q: The sound level measured in a room by a person watching a movie on a home theater system varies from…
A: The change in the intensity level is, 80 dB - 40 dB = 40 dB Therefore, n = 40 dB10 dB= 4
Q: Cicadas produce a buzzing sound that has a wavelength in air of 2.69 m. If the speed of sound in air…
A: Wavelength=2.69m Speed of sound in air = 346m/s
Q: The driver of a car traveling 22.0 m/s sounds his horn as he approaches an intersection. If the horn…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
