Answer:
The change in potential energy is 
Explanation:
From the question we are told that
The magnitude of the uniform electric field is 
The distance traveled by the electron is 
Generally the force on this electron is mathematically represented as
Where F is the force and q is the charge on the electron which is a constant value of 
Thus
Generally the work energy theorem can be mathematically represented as
Where W is the workdone on the electron by the Electric field and 
is the change in kinetic energy
Also workdone on the electron can also be represented as
Where 
considering that the movement of the electron is along the x-axis
So
substituting values
Now From the law of energy conservation
Where 
is the change in potential energy
Thus
Answer:
d. a=−k/mx
Explanation:
To know what is the correct expression for the acceleration you take into account the second Newton law, that is:
( 1 )
next, you equal the expression ( 1 ) to the force in a mass-string system, that is F=-kx.
hence, the acceleration is:
d. a=−kmx
Answer:
by applying the left hand rule you'll find that the direction is as in the photo below
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Answer:
0.01154 A
Explanation:
We have given the energy in the magnetic field 
Value of inductance L =0.060 H
Energy stored in magnetic field is given by 
So the current flowing through rectangular toroid will be 0.01154 A
