Wave motion in physics

In summary, the conversation is about a physics calculation involving waves. The wave in question is described by the equation y(x,t)=0.00327sin(72.1x-2.72t) and the numerical constants are in SI units (0.00327m, 72.1 radm^-1, and 2.72 rads^-1). The following questions were asked:A) What is the amplitude of this wave?B) What are the wavelength, period, and frequency of this wave?C) What is the velocity of this wave?D) What is the displacement y at x=22.5cm and t=18.9s?The person asking for help also mentioned that their book
  • #1
hoyy1kolko
10
0
Physics calculation about waves?
A wave traveling along a string is described by y(x,t)=0.00327sin(72.1x-2.72t)in which the numerical constants are in SI units (0.00327m,72.1radm^-1,and 2.72rads^-1)

A)What is the amplitude of this wave?
B)What are the wavelength,period and frequency of this wave?
C)What is the velocity of this wave?
D)What is the displacement y at x=22.5cm and t=18.9s.

Please help me.my book didn't have example for this type of question.Please show me yr working .Thank you.
 
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  • #2
welcome to pf!

hi hoyy1kolko! welcome to pf! :wink:

Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 

1. What is wave motion in physics?

Wave motion in physics is the transfer of energy through a medium by means of periodic disturbances. These disturbances can be seen as oscillations or vibrations that travel through the medium, causing it to move up and down.

2. What are the different types of waves in wave motion?

There are two main types of waves in wave motion: transverse waves and longitudinal waves. Transverse waves are characterized by perpendicular oscillations to the direction of energy transfer, while longitudinal waves have oscillations in the same direction as the energy transfer.

3. How is the speed of a wave determined?

The speed of a wave is determined by the properties of the medium through which it travels. In general, the speed of a wave is directly proportional to the stiffness and density of the medium. For example, sound waves travel faster in solids than in liquids or gases.

4. What is the relationship between frequency, wavelength, and amplitude in wave motion?

Frequency, wavelength, and amplitude are all related in wave motion. Frequency is the number of oscillations per unit time, wavelength is the distance between two consecutive peaks or troughs, and amplitude is the maximum displacement of a wave from its equilibrium position. These three quantities are related by the formula: speed = frequency x wavelength, and the amplitude of a wave is directly proportional to its energy.

5. How does wave motion transfer energy?

Wave motion transfers energy through the medium by causing particles to oscillate and collide with each other. As the wave passes through a medium, it causes the particles in the medium to vibrate back and forth, transferring energy from one particle to the next. This transfer of energy allows waves to travel long distances without losing much of their energy.

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