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Kipish [7]
3 years ago
10

Within an internal combustion engine, the can-shaped component that moves up and down the cylinder and is the main moving part i

n the engine is the
A. connecting rod.
B. piston.
C. spark plug.
D. crankshaft.
Physics
2 answers:
Katena32 [7]3 years ago
8 0
Piston<span> is the part in the combustion engine which moves up and down. Piston is connected in connecting rod which helps to move it.</span>
Spark plugs are used to produce spark.

<span>So the </span>answer is B. Piston

Hope I Helped You!!! :-)

Have A Great Day!!!
telo118 [61]3 years ago
3 0
Piston<span> is the part in the combustion engine which moves up and down.
So your answer is B.
</span>
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How is the speed of light measured when it is light years away?
Shkiper50 [21]

Answer:

<h2>In a vacuum, light travels at 670,616,629 mph (1,079,252,849 km/h). To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766). The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).</h2>

4 0
4 years ago
A car approaches a stationary police car at 36 m/s. The frequency of the siren (as heard in the police car) is 500 Hz. What is t
tamaranim1 [39]

The frequency heard by an observer in the moving car as he approaches the police car is 558.6 Hz.

<h3>Frequency hear by the observer</h3>

The frequency heard by the observer is calculated by applying the principle of Doppler effect.

f₀ = f'[(v/v - vs)]

where;

  • f₀ is the observed frequency
  • v is speed of sound = 343 m/s
  • vs is the speed of the source

f₀ = 500[(343 / 343 - 36)]

f₀ = 500(343/307)

f₀ = 558.6 Hz

Thus, the frequency heard by an observer in the moving car as he approaches the police car is 558.6 Hz.

Learn more about frequency here: brainly.com/question/10728818

#SPJ1

6 0
2 years ago
The components of vector A are Ax and Ay (both positive), and the angle that it makes with respect to the positive x axis is θ.
DIA [1.3K]

Answer:

a) \theta = tan^{-1} (\frac{11}{11})= tan^{-1} (1)=45 degrees

b) \theta = tan^{-1} (\frac{11}{19})= tan^{-1} (0.579)=30.07 degrees

c) \theta = tan^{-1} (\frac{19}{11})= 59.93 degrees

Explanation:

If we have a vector A= (A_x ,A_y) in a two dimensional space. The angle respect the x axis can be founded from the following expression:

tan (\theta)= \frac{A_y}{A_x}

And then the angle is given by:

\theta = tan^{-1} (\frac{A_y}{A_x})

Part a

Ax = 11 m and Ay = 11 m

For this case the angle would be:

\theta = tan^{-1} (\frac{11}{11})= tan^{-1} (1)=45 degrees

Part b

Ax = 19 m and Ay = 11 m

For this case the angle would be:

\theta = tan^{-1} (\frac{11}{19})= tan^{-1} (0.579)=30.07 degrees

Part c

Ax = 11 m and Ay = 19 m

For this case the angle would be:

\theta = tan^{-1} (\frac{19}{11})= 59.93 degrees

8 0
3 years ago
Read 2 more answers
When do cells use oxygen to release energy
Dimas [21]
According to the theory, energy realized during the reaction is captured by the energy-carrying molecule ATP (adenosine triphosphate). Cellular respiration is the process by which organism use oxygen to break down food molecule to get chemical energy for cell function
7 0
3 years ago
Write down the (real) electric and magnetic fields for a monochromatic plane wave of amplitude E0 , frequency w, and phase angle
jeka57 [31]

Answer:

a) the oscillation of this field is in phase, when the magnetic field goes in the negative direction of y, the elective field goes in the positive direction of the z axis

b) the direction of the magnetic field perpendicular to this electric field and the speed in the negative x the magnetic field goes in the x direction and in the direction (1, - 1.1)

Explanation:

a) the polarization the determined wave oscillates the electric field, which is the z axis

 As the wave travels on the negative x-axis and the magnetic field is perpendicular, this field goes on the positive y-axis

the oscillation of this field is in phase, when the magnetic field goes in the negative direction of y, the elective field goes in the positive direction of the z axis

be) in the case of a polarization in the xi plane the magnetic field must go in the direction of the magnetic field perpendicular to this electric field and the speed in the negative x the magnetic field goes in the x direction and in the direction (1, - 1.1)

3 0
3 years ago
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