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aleksklad [387]
3 years ago
9

Which of the following is considered a natural magnetic field on earth?

Physics
1 answer:
Nadusha1986 [10]3 years ago
4 0

Im not really sure about my answer but im giving you a clue about magnetic fields..

A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field.

_Askmeanything2♡

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Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.
likoan [24]

Answer:

V = 23.6062 cm³

General Formulas and Concepts:

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Chemistry</u>

<u>Gas Laws</u>

  • Density = mass / volume

Explanation:

<u>Step 1: Define</u>

Mass <em>m</em> = 455.6 g

Density <em>D</em> = 19.3 g/cm³

<u>Step 2: Solve for </u><em><u>V</u></em>

  1. Set up:                              19.3 g/cm³ = 455.6 g / V
  2. Isolate <em>V</em>:                          V = 23.6062 cm³
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A boy wishes to make
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I thinking is 2400000
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Magnets are created due to the uniform motion of
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The maximum tension that a 0.80 m string can tolerate is 15 N. A 0.35-kg ball attached to this string is being whirled in a vert
zimovet [89]

Answer:

v=5.86 m/s

Explanation:

Given that,

Length of the string, l = 0.8 m

Maximum tension tolerated by the string, F = 15 N

Mass of the ball, m = 0.35 kg

We need to find the maximum speed the ball can have at the top of the circle. The ball is moving under the action of the centripetal force. The length of the string will be the radius of the circular path. The centripetal force is given by the relation as follows :

F=\dfrac{mv^2}{r}

v is the maximum speed

v=\sqrt{\dfrac{Fr}{m}} \\\\v=\sqrt{\dfrac{15\times 0.8}{0.35}} \\\\v=5.86\ m/s

Hence, the maximum speed of the ball is 5.86 m/s.

3 0
3 years ago
the shock absorbers in a car act as a big spring with k= 21900 N/m. when a 92.5 kg person gets in, how far does the spring stret
r-ruslan [8.4K]

Answer: 0.04139m

Explanation:

First, we need to calculate the weight of the man which will be:

Weight = mass × acceleration due to gravity

Weight = mg

Weight = 92.5 × 9.8

Weight = 906.5N

Then, we calculate the force which will be:

F = kx

mg = kx

x = mg/k

x = 906.5/21900

x = 0.04139m.

The spring stretched for 0.04139m.

4 0
3 years ago
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