Which one of the graphs below represents the velocity - time graph of the object

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Ответ:

cody1097

21.02.2020

Physics

43740 N and attractive force

Explanation:

Given that,

Charge 1, q₁ = -54.0 μC

Charge 2, q₂ = +36.0 μC

The distance between charges, r = 2 cm = 0.02 m

We need to find the force between charges. The formula for the force between charges is given by :

$F=k\dfrac{q_1q_2}{r^2}$

Put all the values,

$F=9\times 10^9\times \dfrac{54\times 10^{-6}\times 36\times 10^{-6}}{(0.02)^2}\\\\F=43740\ N$

As the charges are opposite, the force between them is attractive. Hence, the required force is 43740 N.

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Which one of the graphs below represents the velocity - time graph of the object ​