What is the PERIODICITY of a swaying tree if it takes the tree 1.75 Hz to sway back & forth?

Q: Name the factors on which natural frequency of a body depends?

A: There are several factors which affects the natural frequency of a body:1) Shape of the body2) Size…

Q: If you were to shake the end of a taut spring up and down 10 times a second, what would be the…

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Q: A medical imaging device produces ultrasound by oscillating with a period of 0.5403 µs. What is the…

A: The relationship between period and frequency of a wave is given by, f=1T

Q: A pendulum has a period of 1.228 s. What is it’s frequency?

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Q: A weight on the end of a spring bobs up and down one cycle every 4.0 seconds. The frequency is O…

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Q: What can we observe if we hold the the end of rope horizontally and shake a pulse into the rope?

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Q: QUESTION 1 1.1 A 0,75kg mass vibrates according to the equation x-0, 65Cos (7, 35+) Determine the:…

A: Given data: Mass, m=0.75 kg Equation: x=0.65cos7.35t

Q: What is the frequency of a someone swinging on a swingset and completing 1 full swing every 3…

A: Given: Time period (T) = 3 second

Q: When a guitar string plays the note “A,” the string vibrates at 440 Hz. What is the period of the…

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Q: Why the velocity of a object is not always zero in a vibrating motion?

A: Vibration or oscillation of an object is due to a force that acts in a manner to restore or bring…

Q: What is the displacement of a particle executing SHM in one vibrationb?

A: One vibration is completed in a time period. For that, initially particle moves from mean position…

Q: A violin string playing the note “A” oscillates at 440 Hz. What is the period of the string’s…

A: Given information: Here, f is the frequency of the note A.

Q: To increase intensity of a wave by a factor of 50, by what factor should the amplitude be increased?

A: The wave’s intensity (I) is directly proportional to the square of its amplitude (A). That is,

Q: A guitar string vibrates at 146.8 Hz when its full length is allowed to vibrate. If it is now held…

A: ...

Q: Two parakeets sit on a swing with their combined center of mass 19.5 cm below the pivot. At what…

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Q: Ultrasound is used in clinical applications to probe soft tissues inside the body. To detect small…

A: Given: Ultrasound frequency used, f=5.0 MHz=5×106 Hz            (∵1MHz=106 Hz)

Q: Ultrasound is used in clinical application to probe soft tissues inside the body. To detect small…

A: Given data The frequency used to detect the small and stiff object is f = 5 MHz = 5 x 106 Hz

Q: If the tension in the string were tripled while the mass density remained the same, by how much…

A: The equation for the frequency of a wave in a stretched string is given by, f=n2LTμ Here, n is the…

Q: An elastic cord vibrates with a frequency of 2.5 Hz when a mass of 0.77 kg is hung from it. What is…

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Q: a metal rod pivots from one of  its end oscillating at 2.0 Hz

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Q: Two parakeets sit on a swing with their combined center of mass 8.00 cm below the pivot. At what…

A: The expression for the frequency,

Q: If the tension in a string were increased by a factor of four, by what factor would the wave speed…

A: Given: The tension of the spring is increased by four times.

Q: length is open at both ends. The frequency of a certain harmonic is 410 Hz, and the frequency of the…

A: Fundamental frequency of open orgon pipe =v/2L

Q: What is the distance moved of a particle executing SHM in one vibrationb?

A: In a simple harmonic motion, the particle constitutes a to and fro motion from its mean position.…

Q: To increase intensity of a wave by a factor of 61, by what factor should the amplitude be increased?

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Q: An air conditioning unit is vibrating in simple harmonic motion with a period of 0.55 s and a range…

A: Given,

Q: A weight suspended from a spring is seen to bob up and down over a distance of 30cm twice each…

A: The bob oscillates two time in one second. Its frequency is 2 Hz.

Q: A fisherman's scale stretches 4.50 cm when a 6.75 -kg fish hangs from it. What will be the frequency…

A: In this problem, we will use the equation F = kx and expression for angular frequency ω=km         F…

Q: The temperature of an organ pipe when it is in resonance with a tuning fork is increased. How does…

A: An organ pipe is a musical instrument exhibits resonance at a particular pitch when it is driven by…

Q: A medical imaging device produces ultrasound by oscillating with a period of 3.50 x 10-5 s. What is…

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Q: A spring stretches by .0174 when a 2.66 kg object is suspened from its end.  How much mass should be…

A: The spring constant can be calculated as F=kxk=Fx=mgx=2.66 kg9.8 m/s20.0174 m=1498.16 N/m

Q: The windpipe of a typical whooping crane is about 5.4 feet long, what is the lowest resonant…

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Q: A string of mass 2.50 kg is under a tension of 200 N. The length of the stretched string is 20.0 m.…

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Q: If the amplitude of a wave is doubled, what will be the effect on the loudness?

A: The loudness of the sound wave is directly proportional to the square of the amplitude.  It is…

Q: The length of nylon rope from which a mountain climber is suspended has a force constant of 1.38 ✕…

A: The force constant, k= 1.38×104 N/m The mass of the climber and his equipment, m = 83.0 kg The…

Q: A weight on the end of a spring bobs up and down one cycle every 4.0 seconds. The frequency is .25HZ…

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Q: A string of mass 2.50 kg is under a tension of 200 N. The length of the stretched string is 20.0 m.…

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Q: Ocean waves are traveling to the east at 4.0 m/s with a distance of 20 m between crests. With what…

A: Given, Velocity=4m/s Distance=20m We have to find the frequency.

Q: Two parakeets sit on a swing with their combined center of mass 15.0 cm below the pivot. At what…

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.