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Bas_tet [7]
3 years ago
7

What happens when the fuel in a car engine combustion?​

Physics
1 answer:
Trava [24]3 years ago
5 0

In a spark ignition engine, the fuel is mixed with air and then inducted into the cylinder during the intake process. After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.

Credit: Department of Energy

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A 1050 W carbon-dioxide laser emits light with a wavelength of 10μm into a 3.0-mm-diameter laser beam. What force does the laser
avanturin [10]

The force exerted by the laser beam on a completely absorbing target is 3.5 \times 10^{-6} \ N.

The given parameters;

  • <em>power of the laser light, P = 1050 W</em>
  • <em>wavelength of the emitted light, λ = 10 μm </em>

The speed of the emitted laser light is given as;

v = 3 x 10⁸ m/s

The force exerted by the laser beam on a completely absorbing target is calculated as follows;

P = Fv

F = \frac{P}{v} \\\\F = \frac{1050}{3\times 10^8} \\\\F = 3.5 \times 10^{-6} \ N

Thus, the force exerted by the laser beam on a completely absorbing target is 3.5 \times 10^{-6} \ N.

Learn more here:brainly.com/question/17328266

3 0
2 years ago
The use of force to move an object is <br> .
Ne4ueva [31]
The use of force to move an object is called work. This only applies if the object moves.
4 0
3 years ago
PLEASE HELP !!
kumpel [21]

Answer:

Movement Time

explanation:

5 0
2 years ago
A net force of –8750N is used to stop of 1250.kg car travelling 25m/s. What braking distance is needed to bring the car to a hal
Karolina [17]

Answer:

d = 44.64 m

Explanation:

Given that,

Net force acting on the car, F = -8750 N

The mass of the car, m = 1250 kg

Initial speed of the car, u = 25 m/s

Final speed, v = 0 (it stops)

The formula for the net force is :

F = ma

a is acceleration of the car

a=\dfrac{F}{m}\\\\a=\dfrac{-8750}{1250}\\\\a=-7\ m/s^2

Let d be the breaking distance. It can be calculated using third equation of motion as :

v^2-u^2=2ad\\\\d=\dfrac{v^2-u^2}{2a}\\\\d=\dfrac{0^2-(25)^2}{2\times (-7)}\\\\d=44.64\ m

So, the required distance covered by the car is 44.64 m.

4 0
3 years ago
Why physics is difficult????<br><br>Especially in Electromagnetism...​
morpeh [17]

Because you have to study about electricity, first of all, and also need to study about polarity

3 0
3 years ago
Read 2 more answers
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