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Llana [10]
3 years ago
7

What is mechanical advantage?

Physics
1 answer:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

0A.Output force divided by input force.

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We know cells are living because they
choli [55]
<span>have the seven properties of life</span>
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4 years ago
Do you want robot referees in your favorite class?
jeka94

Answer:

Sounds cool.. but what do they do?

Explanation:

5 0
3 years ago
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The apparent visual magnitude of a star is 7.3. This tells us that the star is _______.
fredd [130]

Answer:

Option (B)

Explanation:

In the field of astronomy, the magnitude scale of star is usually defined as a logarithmic scale that measures the brightness of the star, and this directly the relative distance from the earth. This magnitude value is dependent on the two main factors, namely the its brightness and the distance from a fixed point.

The given visual magnitude of a star is 7.3, and is comparatively very less brighter. This shows a relatively very large distance from the earth and due to this large distance and low luminousity, this star is not visible to our naked eye.

Thus, the correct answer is option (B).

8 0
4 years ago
A 70kg skier moving at 5 m/sec down a slope what is the skier’s momentum
olga2289 [7]

<u><em>Answer:</em></u>

Momentum of the skier is 350 Kg.m/sec

<u><em>Explanation:</em></u>

<u>Momentum of a body can be calculated using the following rule:</u>

P = m * v

<u>where:</u>

P is the momentum of the body

m is the mass of the body given as 70 Kg

v is the velocity of the body given as 5 m/sec

<u>Substitute with the givens in the above rule to get the momentum of the skier as follows:</u>

P = m * v

P = 70 * 5

P = 350 Kg.m/sec

Hope this helps :)

4 0
3 years ago
What is the electric flux φ through each of the six faces of the cube? Use ϵ0 for the permittivity of free space?
exis [7]

If total charge Q is enclosed in the surface of cube

then we will have say that total flux linked with all surfaces of the cube will be given by

\phi = \frac{Q}{\epsilon_0}

since the position of charge is symmetric with respect to the center of the cube so here this whole flux will be equally linked with each of the face of the cube

So here total 6 faces of the cube is there and the total flux of the charge will equally divide in these 6 faces

so flux linked with each face is given by formula

\phi = \frac{Q}{6\epsilon_0}

so each face will have above flux due to central position of charge Q

3 0
3 years ago
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