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b
Explanation: The cylindrical system is of the form (ρ, φ, z), which relates the point given
in the question
The charge located at the point described as p (5,30⁰,2) is in the spherical coordinate system. In the spherical coordinate system, a point in space is described by three coordinates:
– The radial distance (denoted as (r)), which is the straight-line distance from the origin to the point.
– The polar angle (denoted as (theta)), which is the angle measured from the positive z-axis to the point. However, in many contexts, especially in physics, the notation may differ, and (theta) can be used to represent the angle from the x-axis in the x-y plane instead.
– The azimuthal angle (denoted as (phi)), which is the angle measured in the x-y plane from the positive x-axis.
Given the format p (5,30⁰,2), it matches the spherical coordinates format ((r, theta, phi)) or ((r, phi, theta)), depending on the convention (physics or mathematics) being followed with respect to the angles’ naming. In this context, assuming the conventional use in many physics contexts, it would be the radial distance (r = 5), an angular coordinate (either (theta) or (phi)) of (30^circ), and another radial component which could represent either the other angle or some convention-specific parameter. However, the question implies usage of two angles and one radial distance