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3 years ago

Inertia is the property that every material object has that causes objects to resist changes in its state of motion

2 answers:

4 0

The statement "Inertia is the property that every material object has that causes objects to resist changes in its state of motion" is true

<u>Explanation:</u>

Inertia defines as the resistance produced by the body or an objects to vary in its states of motion, by an external force. An external agent cannot disturb a body, until it has more magnitude than its normal force. Normal force is nothing but due to the mass of the body, being in contact with the ground.

So, inertia is purely dependent on the mass of the body. The unit of inertia is ‘kg’. Inertia, the complete dependent of mass of a body, and also the main reason for the normal force, can stop a body from changing its state.

jonny [76]3 years ago

3 0

True :) good luck on your quiz

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3 years ago

A player throws a football 50.0 m at 61.0° north of west. what is the westward component of the displacement of the football?

-BARSIC- [3]

Answer: 24.24 m

Explanation:

A player throws football 50.0 m at 61° North of west. we will write this in terms of horizontal and vertical components.

Horizontal component: 50 cos 61° = 24.24 m which is westwards

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Refer to diagram below.

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7 0

3 years ago

Two negative charges that are both - 3.8 C push each other apart with a force of 19.0 N. How far apart are the two charges?

77julia77 [94]

Answer:

The separation distance between the two charges must be 82704.2925 m

Explanation:

Given:

Two negative charges that are both q = -3.8 C

Force of 19 N

Question: How far apart are the two charges, s = ?

First, you need to get the electrostatic force of this two negative charges:

$F=\frac{kq}{s^{2} } \\s=\sqrt{\frac{kq}{F} }$

Here

k = electric constant of the medium = 9x10⁹N m²/C²

Substituting values:

$s=\sqrt{\frac{9x10^{9}*(-3.8)^{2} }{19} } =82704.2925m$

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3 years ago

You do 75 j of work in 8.0 seconds. how much power do you use?

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75/8=power because power=work done/time taken

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3 years ago