2 years ago

Friction removes energy from objects in motion. Which statement best describes how this works?

Physics

1 answer:

xenn [34]2 years ago

8 0

friction transforms KE into thermal energy (a)

That's why, if it goes on long enough, the moving object actually gets warm.

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Explanation:

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2 years ago

Galois drove 60.0 kilometers due west in 5.00 hours and then drove 43.0 kilometers due north in 3.00 hours.

IceJOKER [234]

Answer:

Explanation:

See the attachment for the details. A right triangle is formed to find the hypotenuse of the two legs consisting of the actual driving distances and times. The hypotenuse gives the vector information for the displacement at the end of 8 hours of driving.

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103 km

(b) What was his average speed?

12.88 km/h

(c) What was his displacement?

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(d) What was his average velocity?

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2 years ago

Jane walked 5.00 meters on a road that inclines 13.0 degrees. How much distance did she cover horizontally?

Paladinen [302]

Any options available?

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2 years ago

A current runs from the left to the right in a long, straight wire. How does the magnetic field at point X compare with the magn

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I think the answer is D. The magnetic field at point X points into the page, and the magnetic field at point Y points out of the page.

7 0

2 years ago

How much potential energy does a 40-N medicine ball gain when it is lifted 5 m?

777dan777 [17]

We know, Potential Energy = Force * Height
Here, F = 40 N
h = 5 m

Substitute their values,
U = 40 * 5
U = 200 J

In short, Your Answer would be Option A

Hope this helps!

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2 years ago