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gtnhenbr [62]
2 years ago
8

I am deleting my account so here is some points

Physics
2 answers:
Verizon [17]2 years ago
8 0

Answer:

thank u so much;)

Anettt [7]2 years ago
3 0

Answer:

tysm man ur nice bro ur so nice

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A velocity selector in a mass spectrometer uses an electric field of 4.4 x 105 V/m. What magnetic field strength (in Tesla) is n
Brut [27]

Answer:

  B = 9.16 10⁻²  T

Explanation:

The speed selector is a configuration where the electric and magnetic force has the opposite direction, which for a specific speed cancel

       q v B = q E

       v = E / B

       B = E / v

Let's calculate

      B = 4.4 10⁵ / 4.8 10⁶

      B = 9.16 10⁻²  T

5 0
3 years ago
The amount of matter in an object is its _____.
Andrew [12]
The amount of matter in an object ismass....anything that occupies spaca and has weight is called matter.....
7 0
3 years ago
A body is placed on a rough inclined plane. Why does the frictional force decrease with the increase of angle of inclination
kondor19780726 [428]
The frictional force is directly proportional to the force that is perpendicular on the surface.

When the body is placed on a horizontal level with zero inclination, the only force acting on the body is the gravitational force which always pulls the body down. The gravitational force, in this case, is the perpendicular force to the surface. Accordingly, this entire force is used to generate friction

Now as the inclination of the surface increases, the gravitational force is no longer the perpendicular force of the body, its value decreases, which means only a part is used to generate frictional force. Consequently, frictional force decreases.

When the inclination reaches 90 degrees, the gravitational force does not act along the normal and accordingly, no friction force is generated.

7 0
3 years ago
•What is the gravitational potential energy of a girl
disa [49]

Answer:

1960 joule

Explanation:

8 0
2 years ago
Someone please help! It is a few science questions. Fairly easy!
borishaifa [10]
1) 0.92 * 100 = 92 <Solve using the formula which is:
Mass=Density×Volume
M=D*V

2) 3.98 ml

3) V=L*W*H (Length  × Width × Height)

5*2*4=40
\frac{300}{40} =7.5 (Answer=7.5)
3 0
3 years ago
Read 2 more answers
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