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sasho [114]
3 years ago
5

Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different me

dia?
As speed changes, wavelength changes and frequency remains constant
As speed changes, frequency changes and wavelength remains constant As speed changes, wavelength and frequency change,
O As speed changes, wavelength and frequency remain constant​
Physics
1 answer:
Liula [17]3 years ago
4 0

Answer: A) as speed changes, wavelength changes and frequency remains constant

Explanation: edg test

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CAN SOME PLZ HELP I REALY NEED THIS PLZ!!!!
mamaluj [8]

Answer:

you won't find then

Explanation:

every test is new for each year

7 0
3 years ago
Technician A says that a low-restriction exhaust system could prevent a back pressure-type vacuum-controlled EGR valve from open
Alborosie

Answer:

Both technicians are correct.

Explanation:

Exhaust gas recirculation (EGR) contributes to limit the production of polluted gas mixture during internal engine combustion via an EGR valve. With the help of Exhaust gas recirculation (EGR), nitrogen oxides production is reduced drastically especially when the engine runs on diesel. Black smoke, engines making knocking sounds could be a clear indication of a bad EGR valve especially when the valve passage is blocked due to carbon deposits, or dirt from fuel blocking the valve opening thereby decreasing the power output, or in the case of the knock sounds, the fuel gets ignited early when the machine's operation at a given time is low. So, the Technicians are correct with the statements they made.

   

7 0
3 years ago
Which of the following happens when unbalanced forces act on an object? The object remains stationary. The object moves with the
kvasek [131]
The object move in the direction of the stronger force
8 0
3 years ago
Read 2 more answers
Page 40-44 earth science regents<br> just post the picture of the pages please
Anna007 [38]
I don’t know what book you’re talking about so I can’t help but have a look online, you may be able to find it if you search up the book name and look around a few websites
8 0
3 years ago
A mouse is running along the floor in a straight line at 1.3 m/s. A cat runs after it and, perfectly judging the distance d to t
sukhopar [10]

Answer:

Option b

Solution:

As per the question:

Speed of the mouse, v = 1.3 m/s

Speed of the cat, v' = 2.5 m/s

Angle, \theta = 38^{\circ}

Now,

To calculate the distance between the mouse and the cat:

The distance that the cat moved is given by:

x = v'cos\theta t

x = 2.5cos38^{\circ}\times t = 1.97t

The position of the cat and the mouse can be given by:

x = x' + vt

1.97t = x' + 1.3t

x' = 0.67 t           (1)

The initial speed of the cat ahead of the mouse:

u = v'sin\theta = 2.5sin38^{\circ} = 1.539\ m/s

When the time is 0.5t, the speed of the cat is 0, thus:

0 = u - 0.5tg

t = \frac{1.539}{0.5\times 9.8} = 0.314\ s

Substituting the value of t in eqn (1):

x' = 0.67(0.314) = 0.210 m

Thus the distance comes out to be 0.210 m

4 0
4 years ago
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