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KATRIN_1 [288]
3 years ago
15

Two objects are electrically charged. The net charge on one object is doubled. Therefore, the electric force _____.

Physics
2 answers:
creativ13 [48]3 years ago
7 0
If net charge on one object is doubled, then electric force will also get double. It is because they are directly proportional to each other.

Hope this helps!
labwork [276]3 years ago
3 0

Answer:

The electric force gets doubled.

Explanation:

According to Coulomb's law the force acting on charged bodies is directly proportional to the product of charges and inversely proportional to the square of distance between them.

Mathematically, it can be written as :

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

Where

r is the distance between the charges

In this question, it is given that the net charge on one object is doubled. As we can see from Coulomb's law, the electric force (F') gets doubled.

i.e. F'=2\times k\dfrac{q_1q_2}{r^2}

F' =2 F

Hence, this is the required solution.

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Glycerin at a temperature of 30 degrees celcius flows at a rate of 8×10−6m3/sthrougha horizontal tube with a 30mmdiameter. what
marusya05 [52]

The pressure drop in pascal is 3.824*10^4 Pascals.

To find the answer, we need to know about the Poiseuille's formula.

<h3>How to find the pressure drop in pascal?</h3>
  • We have the Poiseuille's formula,

                     Q=\frac{\pi r^4P}{8\beta l}

  • where, Q is the rate of flow, P is the pressure drop, r is the radius of the pipe, is the coefficient of viscosity (0.95Pas-s for Glycerin) and l being the length of the tube.
  • By substituting values and rearranging we will get the pressure drop as,

                  P=3.284Pascals

Thus, we can conclude that, the pressure drop in pascal is 3.824*10^4.

Learn more about the Poiseuille's formula here:

brainly.com/question/13180459

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1 year ago
Does anyone know how to solve this?
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Yes. There is a substantial number of people ... members of Brainly as well as non-members ... students, puzzle solvers, and just average educated thinkers, who would be able to solve it.
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2 years ago
The final velocity of car is 20 m/s. The car is accelerating at a rate of 2.5m/s over a 10 seconds period of time. What is the i
balu736 [363]

Answer:

-5m/s

Explanation:

Since

acceleration=final velocity-initial velocity/time

2.5m/s^2=20m/s- initial velocity/10s

2.5m/s^2×10s= 20m/s -initial velocity

25m/s=20m/s - initial velocity

Initial velocity=20m/s-25m/s

= -5m/s

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