The net electric field is the vector sum of the components of the electric
field produced by the two charges.
The values of the magnitude and direction of the net electric field at the origin (approximate values) are;
- 12.6 ° above the negative x–axis
<h3>How are the net electric field magnitude and direction calculated?</h3>
The possible questions based on a similar question posted online are;
(a) The net electric field at the origin.
The electric field due to charge q₁ is given as follows;

Which gives;


Which gives;


Therefore;

The magnitude of the net electric field is therefore;
E =
≈ 131.6
- The magnitude of the net electric field at the origin is E ≈<u> 131.6 N/C</u>
(b) The direction of the net electric field at the origin.
Learn more about electric field strength here:
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I believe the name of the multiverse is called (InGeneralSchemasTheory)
The velocity of an object in free fall increases downwards with time
- Please find attached the correct graph showing velocity as a function time, with the positive direction to be upwards.
Reason:
The known parameters are;
Location where the rocks are released; Earth
The time at which rock Y is released = A few seconds after rock X is released.
Required:
To select the graph that shows the vertical velocity of rock, <em>x</em>, as a function of time.
Solution:
Let <em>t </em>represent the time after which rock x are released, with the positive direction being upwards, we have;
- The equation for the velocity of x is v = -9.81·t
With the above equation, the graph of the vertical velocity of rock x is plotted with MS Excel.
Learn more about the graphs of velocity of object in free fall here:
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