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velikii [3]
2 years ago
10

How do you find the amplitude of a wave?

Physics
2 answers:
Sergio039 [100]2 years ago
6 0

Answer:

To find the amplitude, wavelength, period, and frequency of a sinusoidal wave, write down the wave function in the form y(x,t)=Asin(kx−ωt+ϕ).

The amplitude can be read straight from the equation and is equal to A.

The period of the wave can be derived from the angular frequency (T=2πω).

MatroZZZ [7]2 years ago
4 0

Answer: The person above me is absolutely correct!

Explanation: The formula for calculating amplitude of a wave is:

x = displacement of wave (meter)

A = amplitude

ω = Angular frequency (rad/s)

t = Time period

ϕ = Phase angle

Happy to help, if I did!

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A boy of mass 40kg eats bananas contains of 980 joule. If this energy is used to lift him up from ground,the height to which he
Oksanka [162]

Answer:

h = 2.49 [m]

Explanation:

In order to solve this problem we must use the definition of potential energy, which tells us that energy is equal to the product of mass by gravity by height.

The potential energy can be calculated by means of this equation:

Ep = m*g*h

where:

Ep = potential energy = 980 [J]

m = mass = 40 [kg]

g = gravity acceleration = 9.81 [m/s^2]

h = elevation [m]

Now replacing:

980 = 40*9.81*h

h = 2.49 [m]

7 0
3 years ago
Which one of the following SI base units is not matched to the correct unit of measurement?
ahrayia [7]
C.Lenth: Km; This answer isn´t correct.

the correct unit of measurement of length is "m".

6 0
3 years ago
Read 2 more answers
Nonexist venus is much farther from the sun than mercury is. yet average temperatures on venus's surface are much higher than th
gulaghasi [49]
Hello there my friend, the venus has its atmosphere mainly composed of carbon dioxide gas which is one of the greenhouse gases. When sun light hit venus, it passes through the CO2 layer and warm up the venus surface, and the surface emits infrared radiation which can't penetrate the CO2 layer and is retained in Venus, thus Venus is heated up significantly. On the other hand Mercury dont have as much CO2 as Venus, and greenhouse effect is eliminated and heat is dissipated quicker.
6 0
3 years ago
Which of the following is NOT a unit of measurement in the metric system?
Dimas [21]
The correct answer is second
8 0
3 years ago
Given two objects of the same mass but of different sizes, which object has a greater density?
wolverine [178]

Given two objects of the same mass but of different sizes, the one that has a greater density is: a. the smaller object

Due to the density of an object is the relation that exist between the mass and the space that the object occupies, if we have two objects with the same mass the one that is going to have a greater density is the smaller object because it occupies less space with more mass.  

We can prove it using the density formula to solve the following exercise:

Two objects have a mass of  100 g, and their volume are 20 cm³ and 10 cm³ respectively, what is the density of each one?

The general formula of the density is:

d = m/v

Where:

  • d= density
  • m= mass
  • v= volume

Information about the problem:

  • m = 100 g
  • v1= 20 cm³
  • v2=10 cm³
  • d1=?
  • d2?

Applying the density  formula we get:

d = m/v

d1 = 100g/20 cm³

d1 = 5g/cm³

d2 = 100g/10 cm³

d2 = 10g/cm³

With the results we can confirm that the object that has the greater density is the smaller, because it has less volume.

<h3>What is density?</h3>

It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.

Learn more about density in: brainly.com/question/1354972

#SPJ4

4 0
1 year ago
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