3 years ago

What type of energy does mechanical energy turn into when friction is acting

Physics

1 answer:

umka2103 [35]3 years ago

6 0

Thermal energy is the answer

Hope that helps

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In the recent Olympics, many records were broken and history was re-written.

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Answer:

Yes

Explanation:

On the moon there is no gravity. So if there is no gravity pulling the weight down a weight can as light as a feather.

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3 years ago

Which statements describe a situation in which work is being done? Check all that apply.

Sphinxa [80]

Answer: A, D, E

Explanation:

just did it :))

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3 years ago

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Two equal, but oppositely charged particles are attracted to each other electrically. The size of the force of attraction is 48.

galina1969 [7]

Given:

The force of attraction is F = 48.1 N

The separation between the charges is

$\begin{gathered} r=\text{ 60.9 cm} \\ =\text{ 60.9}\times10^{-2}\text{ m} \end{gathered}$

Also, the magnitude of charge q1 = q2 = q.

To find the magnitude of charge.

Explanation:

The magnitude of charge can be calculated by the formula

$\begin{gathered} F=\frac{k(2q)}{r^2} \\ q=\frac{Fr^2}{2k} \end{gathered}$

Here, k is the Coulomb's constant whose value is

$k\text{ = 9}\times10^9\text{ N m}^2\text{ /C}^2$

On substituting the values, the magnitude of charge will be

$\begin{gathered} q=\frac{48.1\times(60.9^\times10^{-2})^2}{2\times9\times10^{^9}} \\ =9.91\times10^{-10}\text{ C} \\ =9.91\times10^{-4}\text{ }\mu C \end{gathered}$

Thus, the magnitude of each charge is 9.91 x 10^(-4) micro Coulombs.

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2 years ago

I give a ball a push on an acclivity. The "start velocity" is on 7m/s. The time it took the ball to get back to me was 10 second

Degger [83]

Answer:

7÷10

Explanation:

initial velocity=7m/s

final velocity=0m/s

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4 years ago

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At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. which ball h

sergejj [24]

The one that was dropped

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3 years ago

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