Coil the length of 15 centimetres with a cross section of 30 centimetres square has a charge of 250. Inside the coil is a nickel
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Answer:
For the car to move with constant velocity the additional force required is
Explanation:
From the question we are told that
The net force of the car is
Generally the total force acting on the car is the net force plus the force due to gravity acting in direction of the car (Let denote it as )
So the total force acting on the car is mathematically represented as
Here this F representing the total force can be mathematically represented as
Now for constant velocity to be attained, the acceleration of the car will be zero
So at constant velocity
=>
So
=>
=>