What is the period, in seconds, that corresponds to each of the following frequencies: (a) 10 Hz, (b) 0.2 Hz, (c) 60 Hz?

Q: A car horn has a frequency of 720 Hz. In which of the following situations would you hear an average…

A: Given: The actual frequency of the car is 720 Hz. The apparent frequency is 690 Hz.

Q: What is the period of a wave if its speed is 45 m/s and its wavelength is 3.6 m? A. 0.080 s В. 8.0 s…

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Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2, a…

A: Given, speed of the train 1 (observer), vo = 129 kmh speed of train 2 (source), vs = 89.0 kmh…

Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 130 km/h; train 2, a…

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Q: A traveling wave train has wavelength 0.50 m, speed 20 m/s. Find the wave frequency. A 10 Hz B 20 Hz…

A: Given, wavelength of the traveling wave, λ = 0.50 m wave speed, v = 20 ms

Q: The speed of ultrasound in human body is 1540 m/s. A procedure is performed with a frequency of 2…

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Q: A train at a speed of 40.8 m/s sounds it whistle, which has a frequency of 4.88 x 10² Hz. Determine…

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Q: Find the frequency of a spring that has a period of0.0028 s.

A: Given in question - Time period(T) = 0.0028 seconds  To find - Frequency(F) of the spring. Solution:…

Q: The amplitude of a sound wave is modeled in the graph below. 2 (0.01571, 0) (0.03142, 0) 0.01 0.02…

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Q: Light waves are electromagnetic waves that travel at 3.00 x 108 m/s. The eye is most sensitive to…

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Q: The air pressure variations in a sound wave cause the eardrum to vibrate. Find the maximum…

A: Given data *The given amplitude is A = 5.03 × 10-8 m  *The given frequency is f = 20.0 Hz

Q: The displacement of a mass suspended by a spring is modeled by the function…

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Q: An object attached to one end of a spring makes 20 vibrations in 10 s. What is its frequency? O 2 s…

A: Given data:  Number of vibrations = 20 Time (t) = 10 s Required: Frequency (f)

Q: A certain ocean wave has a frequency of .07HZ and a wavelength of 10 meters. What is the waves…

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Q: What is the sine of 30°?     1.     0.     -0.988     0.5     0.866     0.707

A: Given: The angle is 30o. To find: sin value of given angle.

Q: What is period in seconds, that corresponds to each of the following frequencies (a) 10Hz (b) 0.2Hz…

A: (a) Time period is,

Q: The speed of ultrasound in human body is 1540 m/s. A procedure is performed with a frequency of 2…

A:

Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 112 km/h; train 2, a…

A:

Q: Find the fundamental period T, and frequency fo of (a)x(t)=sin 6nt + cos 5nt (b) (t)=sin 0.5at + cos…

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Q: The pendulum clock creates 10 cycles every 5 seconds. What is the frequency of the clock? 0.5 Hz 1.0…

A: Given: The number of cycles is 5. The time is taken by the object to complete the 5 cycles is 10 s.…

Q: If an object travelling in a circle with a radius of 5.0 m has a frequency of 6.0 Hz, what is the…

A: Given :  Radius of the circle, r = 5 m Frequency of the object, f = 6.0 Hz

Q: If your heart is beating at 76.0 beats per minute, what is the frequency of your heart's…

A: Given that:- Heart is beating at 76 beats per minute.

Q: The period of oscillation of molecules is of the order of 10-15s. The corresponding linear and…

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Q: A cord is connected to a vibrating machine which has a frequency of 120 Hz. The linear mass density…

A: The frequency of the vibrating machine is f = 120 Hz. The linear mass density of the string is µ =…

Q: A mass m at the end of a spring oscillates with a frequency of 0.95 Hz . When an additional 770 g…

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Q: A particular sound wave has a frequency of 1460 Hz. How much time passes while one wave is made? O…

A: Time period is given by T=1f where f is the frequency.  Here f= 1460 Hz Therefore time period will…

Q: A pendulum completes 75 swings in 25 s. What is its frequency? O 3.0 s 0.33 Hz O 3.0 Hz 0.33 s None…

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Q: child dropped a ball from a building. The sound of it hitting the water of the swimming pool below…

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Q: A spring makes 8 oscillations in 16 seconds. Its period and frequency are, respectively, about:…

A: Given data:  Number of oscillations = 8 Time (t) = 16 s Required: The period (T) and frequency (f)

Q: Porpoises emit sound waves that they use for navigation. If the wavelength of the sound wave emitted…

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Q: What is the frequency, in hertz, that corresponds to each of the following periods: (a) 0.10 s, (b)…

A: Given:  Periods (a) 0.1 s (b) 5 s  (c) 1/60 s

Q: If the tension of a vibrating string is increased, while all other parameters remain the same, the…

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Q: The motion of a body is described by the equation y = 2.10 sin (0.170πt), where t is in s and y is…

A: The given equation y = 2.10 sin (0.170πt)  is the equation of Simple Harmonic Motion which has a…

Q: Bicycle wheel rotates uniformly through 4.0 revolutions in 2.0 s. What is the frequency of the…

A: Given, Number of revolution = 4.0  Time taken = 2 s Frequency of wheel is equal to number of…

Q: What is the frequency of a wave which has a period of57500 s?2.A.0.00001386 HzD.0.00001908…

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Q: *A 5 kg mass m is attached to a spring and allowed to hang in the Earth's gravitational field. The…

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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: A train is moving past a crossing where cars are waiting for it to pass. While waiting, the driver…

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Q: An oscillator with a natural frequency of 380 Hz is driven by a 790 Hz sinusoidal signal. At what…

A: given: natural frequency ωo= 380 Hz Driven frequency ωD=790 Hz

Q: 3. This is measured in revolutions per second (rev/s).* A.Period B.Frequency C.Speed D.Angular…

A: To choose correct option of physical quantity which is measured in rev/s.

Q: If the period of a wave is 10 s, what is the frequency of the wave? O 100 Hz O 10 Hz O 0.1 Hz O 1.0…

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Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 149 km/h; train 2, a…

A: Speed of observer train(Vo)=149 km/h speed of source train( Vc)=95.0 km/h source frequency (fo)= 500…

Q: An ambulance is traveling East at 40m/s. The siren emits a fixed frequency of 440Hz. Each of the…

A:

Q: 9. The length of a pendulum is 30 cm. What is its frequency when suspended in an elevator falling at…

A: Given: The length of pendulum, L = 30 cm = 0.3 m acceleration of elevator, a = 2.5 m/s2

Q: The position of a mass oscillating on a spring is given by (1.8cm) cos(21t) What is the frequency of…

A: Given: x= (1.8cm)cos (21t)

Q: In the aftermath of an intense earthquake, the earth as a whole “rings” with a period of 54 minutes.…

A: Given that The time period T = 54 minutes T=54×60=3240 sec We Know that T=1ν where v represent the…

Q: ring an experiment, a student tests a spring's oscillation period with different masses. The testing…

A: The frequency of oscillation of mass spring system is given as v=12πkm…

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.