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MrMuchimi
1 year ago
14

GP A sinusoidal wave traveling in the negative x direction (to the left) has an amplitude of 20.0 cm, a wavelength of 35.0 cm, a

nd a frequency of 12.0Hz. The transverse position of an element of the medium at t=0, x=0 is y= 3.00cm, and the element has a positive velocity here. We wish to find an expression for the wave function describing this wave.(c) Find the period T from the frequency.
Physics
1 answer:
SIZIF [17.4K]1 year ago
8 0

The period of the wave is determined as 0.083 seconds.

<h3>What is period of a wave?</h3>

The period of a wave is the time taken by a particle of the medium to complete one vibration.

<h3>Period of the wave</h3>

The period of the wave is calculated as follows;

T = 1/f

where;

  • T is the period of the wave
  • f is frequency of the wave

T = 1/12

T = 0.083 seconds

Thus, the period of the wave is determined as 0.083 seconds.

Learn more about period of a wave here: brainly.com/question/18818486

#SPJ4

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predict the reading of the spring balance when the wooden block is pulled on the sandpaper. Explain your answer. ​
igomit [66]

Answer:

* if the spring force is greater than the maximum of the static friction force,  

               Fe = m (a + μ_k g)

* If the elastic force is less than or equal to the static friction force, the result is with static friction coefficient

              Fe =μ_s m g

Explanation:

For this exercise we must apply Newton's second law to the system

X axis

         Fe -fr = m a

         Fe = m a + fr

Y axis  

        N-W = 0

        N = W = mg

the roe force is given by

        fr = μ N

        fr = μ mg

we substitute

      Fe = m a + μ m g

      Ee = m (a + μ g)

Let's analyze the solution. We have several possibilities

* if the spring force is greater than the maximum of the static friction force, the system acquires an acceleration and the result is with the kinetic friction coefficient

               Fe = m (a + μ_k g)

* If the elastic force is less than or equal to the static friction force, the result is with static friction coefficient

              Fe =μ_s m g

4 0
3 years ago
Gravity can be described as
Triss [41]
B. Think about planets, The moon is attracted to the earth and the earth is attracted to the sun. We are attracted to the earth, that's we cant fall off the earth, gravity is pushing on us.
8 0
3 years ago
A motorcycle is moving at a constant speed of 40 km/h. How long does it take the motorcycle to travel a distance of 10 km
SVETLANKA909090 [29]

Answer:

It takes 0.25 hours or 15 minutes

Explanation:

You have to divide the distance by the velocity to find the time:

10/40 = 0.25 hours = 15 minutes

5 0
3 years ago
All of the visible color light waves together make up
Dafna11 [192]

C. white light

Explanation:

All the visible color light waves are seen together and makes up a white light.

Visible light is made up of different colors and when they join together they are seen as the white light around us.

  • During rainbow formation, we see the different colors of light that makes up a white light.
  • when white light passes through a glass prism, the velocity and wavelength changes and we can see the different components of light.

learn more:

electromagnetic waves brainly.com/question/12450147

#learnwithBrainly

8 0
3 years ago
For a proton (mass = 1.673 x 10–27 kg) moving with a velocity of 2.83 x 104 m/s, what is the de Broglie wavelength (in pm)?
Oduvanchick [21]

Answer:

The value of de Broglie wavelength is 14.0 pm

Explanation:

Given;

mass of proton, m = 1.673 x 10⁻²⁷ kg

velocity of the proton, v = 2.83 x 10⁴ m/s

De Broglie wavelength is given as;

\lambda = \frac{h}{mv}

where;

h is planck's constant = 6.626 x 10⁻³⁴ kgm²/s

m is mass of the proton

v is the velocity of the proton

\lambda = \frac{6.626*10^{-34}}{(1.673*10^{-27})(2.83*10^4})} \\\\\lambda = 1.40 *10^{-11} \ m\\\\\lambda = 14.0 \ pm

Therefore, the value of de Broglie wavelength is 14.0 pm

6 0
3 years ago
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