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3 years ago

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Newton's first law of motion states that an object remains at rest unless a(n) ____ force acts on it. a. balanced c. gravitation

al b. frictional d. unbalanced Please select the best answer from the choice

2 answers:

horsena [70]3 years ago

7 0

It is an unbalanced force.

Digiron [165]3 years ago

3 0

The answer is d. Unbalanced

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Two trains collide in a messy train

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Standard weight and scales in the market should be checked in every two year why?

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3 years ago

Read 2 more answers

When two point charges are a distance d part, the electric force that each one feels from the other has magnitude F. In order to

Contact [7]

Answer:

Because the force is inversely proportional to the square of the distance

Explanation:

The magnitude of the electrostatic force between two charged particles is given by

$F=k\frac{q_1 q_2}{d^2}$

where

k is the Coulomb's constant

q1, q2 are the magnitudes of the two charges

d is the distance between the two charges

We observe that the magnitude of the force is inversely proportional to the square of the distance.

Therefore, when the distance changes to

$d'=\frac{d}{\sqrt{2}}$

The force will double:

$F'=k\frac{q_1 q_2}{(d/\sqrt{2})^2}=2(k\frac{q_1 q_2}{d^2})=2F$

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3 years ago

ANSWER IN LESS THAN A MIN!! EASY!

Romashka [77]

Answer:

2 m/sec

Explanation:

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2 years ago