Muttered is the same thing like mumble.
It's like when you are speaking and no one couldn't hear what you said.
So Muttered is when you say something low .
Area is 2-dimensional which means it has a length and a width area is measured in square units such as square inches, square feet or square meters. To find the area of a rectangle multiply the length by the width.
There are a variety of waves from light waves to mechanical waves. Waves can exhibit different effects like the Doppler Effect.
All light waves behave in a similar manner. They either get transmitted, reflected, absorbed, refracted, polarized, diffracted, or scattered based off of the composition of the object and the wavelength of the light.
According to Wikipedia, “One important property of mechanical waves is that their amplitudes are measured in an unusual way, displacement divided by (reduced) wavelength. When this gets comparable to unity, significant nonlinear effects such as harmonic generation may occur, and, if large enough, may result in chaotic effects.” Mechanical waves are chaotic and its “amplitudes” are measured unusually.
Diffraction is when light bends around objects and spread after passing out through small openings. “Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as light that the eye can see.”-Wikipedia. Here is the formula to Diffraction: <em>d </em>sin <em>θ </em>= <em>nλ</em>
Doppler effect can occur for any type of wave like sound or water waves. An example of this is when we hear a police car with its sirens on, coming towards us. The closer you are to the police car, the higher the wavelength, but the farther away you are, the lower the wavelength.
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Answer:
29223.6J
Explanation:
Given parameters:
Mass of Piano = 852kg
Height of lifting = 3.5m
Unknown:
Gravitational potential energy = ?
Solution:
The gravitational potential energy of a body can be expressed as the energy due to the position of a body;
G.P.E = mgh
m is the mass
g is the acceleration due to gravity
h is the height
Now insert the given parameters and solve;
G.P.E = 852 x 9.8 x 3.5 = 29223.6J
Answer:
Radius=15.773 m
Explanation:
Given data
v=29.5 km/h=8.2 m/s
μs=0.435
To find
Radius R
Solution
The acceleration is a centripetal acceleration which is experienced by the bicycle given by
![a=v^{2}/R](https://tex.z-dn.net/?f=a%3Dv%5E%7B2%7D%2FR)
This acceleration is only due to static force which given as
![f=ma\\f=m(v^{2}/R )](https://tex.z-dn.net/?f=f%3Dma%5C%5Cf%3Dm%28v%5E%7B2%7D%2FR%20%29)
The maximum value of the static force is given as
![Fs_{max}=u_{s}F_{N}](https://tex.z-dn.net/?f=Fs_%7Bmax%7D%3Du_%7Bs%7DF_%7BN%7D)
where
FN is normal force equal to mass*gravity
Therefore when the car is on the verge of sliding
![f=fs_{max}\\ m(v^{2}/R )=u_{s}mg](https://tex.z-dn.net/?f=f%3Dfs_%7Bmax%7D%5C%5C%20m%28v%5E%7B2%7D%2FR%20%29%3Du_%7Bs%7Dmg)
Therefore the minimum radius should be found by the bicycle move without sliding
So
![v^{2}/R=u_{s}g\\ R=v^{2}/u_{s}g\\R=(8.2)^{2}/(0.435*9.8)\\R=15.773m](https://tex.z-dn.net/?f=v%5E%7B2%7D%2FR%3Du_%7Bs%7Dg%5C%5C%20%20R%3Dv%5E%7B2%7D%2Fu_%7Bs%7Dg%5C%5CR%3D%288.2%29%5E%7B2%7D%2F%280.435%2A9.8%29%5C%5CR%3D15.773m)