3 years ago

What type of energy does friction produce?

Physics

1 answer:

VMariaS [17]3 years ago

6 0

Answer:

The correct option is A = adiant negy.

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Answer:

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3 years ago

A proton is 0.9 meters away from a 1.4 C charge. What is the magnitude of the electric force between the proton and the charge

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Answer:

F = 2.49 x 10⁻⁹ N

Explanation:

The electrostatic force between two charged bodies is given by Colomb's Law:

$F = \frac{kq_1q_2}{r^2}\\$

where,

F = Electrostatic Force = ?

k = colomb's constant = 9 x 10⁹ N.m²/C²

q₁ = charge on proton = 1.6 x 10⁻¹⁹ C

q₂ = second charge = 1.4 C

r = distace between charges = 0.9 m

Therefore,

$F = \frac{(9\ x\ 10^9\ N.m^2/C^2)(1.6\ x\ 10^{-19}\ C)(1.4\ C)}{(0.9\ m)^2}$

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We know that the magnitudes of the negative charge on the electron and the positive charge on the proton are equal. Suppose, how

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Finally we use the Coulomb law,

F=k Q/ (r)^2

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