you are assigned to do some calculations for a movie stunt that involves a car on a straight road. the road pictured above has a
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Answer:
The value is
Explanation:
From the question we are told that
The length of the solenoid is
The number of turns is
The current is
Generally the magnetic field is mathematically represented as
Where n is the number of turn per unit length which is mathematically evaluated as
and is the permeability of free space with value
So
The gravitational force between two masses is given by:
where
G is the gravitational constant
m1 and m2 are the two masses
r is the separation between the two masses
We see that the force is proportional to the inverse of the square of the distance:
therefore, if the distance is tripled:
r'=3r
The force decreases by a factor 1/9:
Since the original force was 36 N, the new force will be
where
G is the gravitational constant
m1 and m2 are the two masses
r is the separation between the two masses
We see that the force is proportional to the inverse of the square of the distance:
therefore, if the distance is tripled:
r'=3r
The force decreases by a factor 1/9:
Since the original force was 36 N, the new force will be