A sound wave is a
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To solve this problem we will proceed to use the equations given for the calculation of the resistance, in order to find the radius of the cable. Once the length is found we can find the number of turns of the solenoid and finally the net length of it
The resistance of the wire is
= Resistivity
L = Length
A = Cross-sectional Area
That can be also expressed as,
Rearranging the equation for the length of the wire we have
The number of turns of the solenoid is
Denominator is equal to the circumference of the loop
Finally the Length of he solenoid is
Where \phi is the diameter of wire
Therefore the length of the solenoid is 7.532m
Therefore, the ball has a velocity of 4m/s.