A current loop lies in the xy plane of an xyz coordinate system, with the current circulating counterclockwise when viewed looki
ng down the positive z axis toward the origin. The loop experiences a torque about the x axis that is counterclockwise when viewed looking down the positive x axis toward the origin. Part A Describe the direction of the uniform external magnetic field responsible for this torque.
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Answer:
The tension in the string when the speed increased is 134.53 N
Explanation:
Given;
Tension in the string, T = 120 N
initial speed of the transverse wave, v₁ = 170 m/s
final speed of the transverse wave, v₂ = 180 m/s
The wave speed is expressed as;
where;
μ represents mass per unit length
The new tension T₂ will be computed as;
Consequently, the tension in the string when the speed was increased is 134.53 N