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3 years ago

The mass of a meteoroid was found to be 1.24 × 107 kilograms. Write the mass in standard notation.

Physics

1 answer:

Musya8 [376]3 years ago

8 0

Answer:

The value we are given in the question is 1.24 * 10^7. This form of writing number is called scientific notation. The standard notation is the normal, regular way of writing numbers. Scientific notation and standard notations are interchangeable.

1.24 * 10^7 written in standard notation will be = 1.24 * 10000000 = 12400000.

Thus, the mass of the meteoroid was 12400000 kg.

Explanation:

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<em>"The electrostatic force $F_{E}$ between two point charges $q_{1}$ and $q_{2}$ is proportional to the product of the charges and inversely proportional to the square of the distance $d$ that separates them, and has the direction of the line that joins them". </em>

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Mathematically this law is written as:

$F_{E}=K\frac{q_{1}.q_{2}}{d^{2}}$ (1)

Where:

$F_{E}$ is the electrostatic force

$K$ is the Coulomb's constant

$q_{1}=q_{2}=q$ are the electric charges , which in this case have the same positive charge

$d$ is the separation distance between the charges

Rewritting we have:

$F_{E}=K\frac{q^{2}}{d^{2}}$ (2)

Now, if the first charge is doubled:

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And the second is reduced to a half:

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We will have the following:

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$F_{E}=K\frac{q^{2}}{d^{2}}$ (4)

As we can see equation (4) is equal to equation (2), this means the force of repulsion between both charges will remain the same

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Answer:

Explanation:

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