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3 years ago

What is the definition of recoil velocity?

2 answers:

6 0

Recoil is the speed with which the rifle or pistols recoils when the bullet is fired if the gun bullet and the fun mount were frictionless the equation bullet mass times bullet acceleration equals gun mass times gun recoil acceleration

Zinaida [17]3 years ago

3 0

"Recoil velocity is the speed with which the rifle or pistol recoils when the bullet is fired ".
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Which of the following best expresses the definition of mass?

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The quantity of matter in a body regardless of its volume or of any forces acting on it.

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3 years ago

You fill a car with gasoline. The car now has...

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Fuel or a provided source of energy for combustion

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3 years ago

Consider a block on frictionless ice. Starting from rest, the block travels a distance din

sweet [91]

Answer:

<em>The distance is now 4d</em>

Explanation:

<u>Mechanical Force</u>

According to the second Newton's law, the net force exerted by an external agent on an object of mass m is:

F = m.a

Where a is the acceleration of the object.

The acceleration can be calculated by solving for a:

$\displaystyle a=\frac{F}{m}$

Once we know the acceleration, we can calculate the distance traveled by the block as follows:

$\displaystyle d = vo.t+\frac{at^2}{2}$

If the block starts from rest, vo=0:

$\displaystyle d = \frac{at^2}{2}$

Substituting the value of the acceleration:

$\displaystyle d = \frac{\frac{F}{m}t^2}{2}$

Simplifying:

$\displaystyle d = \frac{Ft^2}{2m}$

When a force F'=4F is applied and assuming the mass is the same, the new acceleration is:

$\displaystyle a'=\frac{4F}{m}$

And the distance is now:

$\displaystyle d' = \frac{4Ft^2}{2m}$

Dividing d'/d:

$\displaystyle \frac{d' }{d}=\frac{\frac{4Ft^2}{2m}}{\frac{Ft^2}{2m}}$

Simplifying:

$\displaystyle \frac{d' }{d}=4$

Thus:

d' = 4d

The distance is now 4d

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2 years ago

The relationship between a cathode and an anode involves

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It involves electrons.

The cathode is the electrode where electron deficient ions move to.

While the anode is electrode where electron excess ions move to.

So the relationship between Cathode and Anode involves electrons.

C.

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3 years ago