A submarine sends a sonar signal, which returns from another ship 8 seconds later. How far away is the other ship if the speed of sound in seawater is 1,525 meters/second?

Q: A wave with a wavelength of 1.6 meters and a frequency of 1.2 Hz is traveling in a medium. If the…

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Q: The charger cord used to recharge a cell phone contains a transformer that reduces 240 V AC to 4 V…

A: Vp = primary voltage (voltage on the input coil of transformer); Vs = secondary voltage (voltage…

Q: FM radio waves travel at a speed of 300,000,000 m/s and may have a frequency of 100,000,000 Hz. What…

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Q: What is the wavelength of a wave that has a frequency of 15 Hz and a speed of 2 m/s?

A: Given data:                  Frequency = 15 Hz                  Speed = 2 m/s Formula :…

Q: What is the wavelength of a wave that has a frequency of 1 Hz and travels at 300,000 km/s?

A: Given information: Here, f is the wave’s frequency, and v is the wave’s speed.

Q: Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at…

A: Given data: Speed (v) = 300,000 km/s Frequency (f) = 100 MHz Required: Wavelength (λ)

Q: If a sound wave has a frequency of 400 Hz and the speed of sound is 343 m/s, What is the wavelength…

A: Write the given values with suitable variables. f=400 Hzv=343 m/s Here, f denotes the frequency and…

Q: The charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 4 V…

A: Given data The input voltage to the transformer is: V1  = 120 V The output voltage to the…

Q: What is the speed of a wave that has a wavelength of 2 m and a frequency of 6 Hz?

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Q: What is the frequency of a radio wave with a wavelength of 0.5 m?

A: Given data Wave length = 0.5 m Speed = 3×108m/s Frequency =?

Q: Assuming that there are 5 × 1013 cells in the humanbody and that ATP is turning over at a rate of…

A: The watts consumed by human body can be given by Watts consumed=ATP molecules turnover/sec×number of…

Q: The speed of a wave is 40 m/s. If the wavelength is 80 centimeters, what is the frequency of the…

A: Speed of wave = 40 m/s  Wavelength = 80 cm = 0.80 m We need to find frequency of wave.

Q: The frequency of a note that is one octave higher than a note of 1024 Hz is

A: An octave can defined as interval between two points where the frequency at the second point is…

Q: A light wave has a frequencey of 8 X 1010 Hz.  What is the wavelength (in meters) of this light?

A: Frequency of wave"√"  = 8×10^¹⁰ Hz  To find wavelength ,

Q: A set of waves has a frequency of 24 Hz and a speed of 6 m/s. What is the wavelength of the waves in…

A: Given data: Frequency f = 24 Hz Speed v = 6 m/s

Q: The charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 5 V…

A: Primary voltage , Vp = 120 V Secondary voltage , Vs = 5 V  Number of turns in input coil, np = 1425…

Q: What is the wavelength, in m, of a 20,000 Hz wave that travels at 6 km/s?

A: λ=vf

Q: What is the frequency of a light wave that has a wavelength of 2146 nanometers?

A: Given data:  A light wave  Wavelength (λ) = 2146 nm = 2146×10-9 m Required: The frequency (f)

Q: a submarine sends a sonar signal, which returns from another ship 12 seconds later. how far away is…

A: Data provided: Total time taken to returns sonar signal (t) = 12 seconds Speed of sound in seawater…

Q: What is the frequency, in MHz, of a radio wave with a wavelength of 20m?

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Q: Ninety-five percent of light incident on a mirror is reflected. How much light is finally reflected…

A: Given:95% of incident light is reflected by the mirror.There is a setup of four such mirrors placed…

Q: What is the voltage of a circuit that has a current of 15 amps and a resistance of 3 Ohms?

A: Given, Current I = 15 Amps  Resistance R = 3 Ohms

Q: If a wave has a wavelength of 2 m and a frequency of 500 Hz, what is its speed?

A: Given data The wavelength of the wave is given as λ=2 m. The frequency of the wave is given as f =…

Q: The speed of light is 300,000,000m/s. What is the frequency of microwaves with a wavelength of 175…

A: The solution is as follows:-

Q: What is the speed of a wave with frequency 100 hz and wavelength of 2 m?

A: GivenFrequency f = 100HzWavelength λ = 2m

Q: A 1,100-g mass is placed 75 cm from the fulcrum of a lever. How far from the fulcrum (in cm) is a…

A: GivenFor mass 1Mass, m1=1100 gDistance from fulcrum, d1=75 cmAndFor ,mass 2Mass, m2=1650 gDistance…

Q: If the annual (8 hours per day) cost to run a 400-W computer is ₱12,000.00, how much does the…

A: Given data:  Daily uses = 8 hours per day Power (P) = 400 W = 0.400 kW Total cost of running…

Q: If a 3.5-ounce portion of spinach costs $0.25, how much would a 5-lb box cost?

A: Given: The cost of 3.5 ounce spinach is 0.25$. Mass of the box is 5 lb. Concept: There are 16 ounces…

Q: What is the frequency of a 3 meter wave that is moving at 1200 m/s?

A: Given data: Wavelength, λ=3 m Velocity, V=1200 m/s Our question is to find the frequency (f) of…

Q: A lightning bolt strikes the top of the Tower of Americas and you see the lightning and immediately…

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Q: An average eardrum has an area of about 5.0x10-5m2. What is the force in Newton's exered on an…

A: Area 'A' = 5 x 10-5 m2 depth under the water 'h' = 2.39 m  g = 9.8 m / s2

Q: A wave has a frequency of 66 Hz and a wavelength of 1.1 meters. What is the speed of this wave?

A: The frequency of a wave is defined as the number of waves passing through a point in space per unit…

Q: A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. What will be the…

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Q: If a wave has a speed of 1500 m/s and a frequency of 11 Hz, what is its wavelength?

A: Given data : Wave speed=V Frequency=f   To find : Wavelength

Q: How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of…

A: Given data:  Current (I) = 10 A Resistance (R) = 5 Ω Required: Voltage (V)

Q: A light-nanosecond is the distance light travels in 1 ns. Convert 1 ft to light-nanoseconds.

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Q: A sound wave has a frequency of 2,202 Hz and travels 511.2 m in 3.001E-3 s. What is the wavelength…

A: Frequency of sound wave (f) = 2202 Hz Distance travelled (d) = 511.2 m Time taken (t)  = 3.001×10-3…

Q: A hot-air balloon has a volume of 3,587 m. The density of the air outside the balloon is 1.165 kg/m,…

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Q: A submarine sends a sonar signal, which returns from another ship 7 seconds later. How far away is…

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Q: A wave traveling 63 m/s has a wavelength of 1.8 m. What is the frequency of the wave (in Hz)?

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Q: What is the frequency of a wave that has a speed of 10 m/s and a wavelength of 21 m?

A: The relation between speed of a wave , frequency and wavelength is given by v=fλ; where f is…

Q: What is the frequency of a wave that has a length of 2.1 meters and is traveling at a velocity of…

A: The wave's velocity is, v=1230 m/s The wavelength of the wave is, λ=2.1 m

Q: What is the output voltage of a transformer that has 2,365 turns in the primary coil and 4,081 turns…

A: Given No of turns on primary coil Np=2365 turns No of turns in secondary Ns=4081 turns Primary…

Q: What is the frequency of a wave that has a speed of 12 m/s and a wavelength of 15 m?  ____________

A: The expression for the frequency is,

Q: A transformer is designed to step down the 220 V. line voltage to 16 V. If there are 1,067 turns on…

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Q: Convert the volume (SCF) of natural gas to tons of natural gas. Given: volume of gas is 42,201…

A: Solution:  Volume of natural gas = 42201 SCF Molecular weight of natural gas (CH4) = 20lbs/lb-mole.…

Q: a submarine sends a sonar signal, which returns from another ship 7 seconds later. how far away is…

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Q: energy

A: Energy can be measured in the unit like calories as well as in joules. The S.I. unit of the energy…