4 years ago

In order to calculate momentum we must have the object's

Physics

1 answer:

Vlad [161]4 years ago

5 0

You need to have the Mass and velocity

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What type of energy increases when friction does work on an object

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.Golden Rice is an example of genetically modified organism. <br> true or false

MissTica

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True

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Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end

ozzi

Answer:

The total work that the rope does to Mangnus is - 5780 Jules.

Explanation:

By definition, the work is defined as:

$W=F.d$

Where F and d are the force and the total displacement. Note that in the definition the product is a scalar product since F and d are both vectors.

Take into account that according to third Newton's law the force that the rope does to Magnus is opposite to the force that Magnus does to the rope, therefore the scalar product will be negative due the rope's force goes against to Magnus displacement.

For calculating the work, we take 2500 N as the value for the force and 2.312 meters as the value for the displacement:

$W=-2500 N * 2.312 m$

$W=-5780 Nm = -5780 J$

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3 years ago