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Anna71 [15]
3 years ago
13

The top of the cylinder head is sealed by the

Physics
2 answers:
zepelin [54]3 years ago
6 0

Answer:

Valve Cover

Explanation:

I've taken test

svetlana [45]3 years ago
3 0
The common name is valve cover, so the correct answer is A.
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________ Layer of the atmosphere where jets fly through and contains ozone layer
ratelena [41]

Answer:

stratosphere

Explanation:

the stratosphere is the second major layer of the atmosphere just above the troposphere, it has its lower area to be cooler and higher area to be warmer due to the ozone layers absorption of ultraviolet rays. It is also the layers which planes fly through because it is stable.

4 0
3 years ago
The units used for mass were?
PSYCHO15rus [73]

Answer:

Mass in science, is measured in the metric system using units such as kilogram (about 2.2 pounds)n which are a thousand grams, grams, centigrams (hundredths of grams), and milligrams (thousandths of grams). Mass is different from weight, Weight is a force.

Explanation:

hope that helps

5 0
2 years ago
Two charged spheres are 8.45 cm apart. They are moved, and the force on each of them is found to have been tripled. How far apar
Aleonysh [2.5K]

Force between two charges is given by

F = \frac{kq_1q_2}{r^2}

here force is inversely depends on the square of the distance

so here if distance is decreased the force will increase'

now if force is tripled

\frac{3F}{F} = \frac{r^2}{r'^2}

initially distance between charges was 8.45 cm

3 = \frac{8.45^2}{r'^2}

r' = \frac{8.45}{\sqrt3}

r' = 4.88 cm

so the distance between charges is 4.88 cm now

4 0
3 years ago
If you run at 1.7 m/s FORWARD ,how does this affect the speed of a ball that you throw?
Sever21 [200]

We have a problem about conservation and velocity, we will find that it does affect the speed of the ball, increasing it by 1.7m/s.

There is something called momentum, which we can define as the "quantity of movement", and we can simply write as the product between velocity and mass.

The momentum is conservative, then we have conservation of momentum.

This means that when you run whit the ball in your hands, the momentum of the ball will be equal to your velocity times the mass of the ball, and this must conserve after you throw the ball.

Now with this idea in mind, this means that if you run with a velocity V, and you throw the ball with a velocity V', the velocity of the ball when it leaves your hand will be:

V + V'.

So, if you run with a velocity of 1.7m/s forward and you throw the ball (assuming in the same direction) the speed of the ball will be 1.7m/s larger than if you were to throw it standing still.

If you want to learn more, you can read:

brainly.com/question/13639113

8 0
2 years ago
Q4: Two fixed charges, 1 c and -3 C are
White raven [17]

Answer:

B

Explanation:

Is the equilibrium stable or unstable for the third charge

5 0
2 years ago
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