Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
An infinite line of charge with linear density λ1 = 7.2 μC/m is positioned along the axis of a thick insulating shell of inner radius a = 2.7 cm and outer radius b = 4.1 cm. The insulating shell is uniformly charged with a volume density of ρ = -556 μC/m3.
a) What is λ2, the linear charge density of the insulating shell?
b) What is Ey(P), the value of the y-component of the electric field at point P, located a distance 6.4 cm along the y-axis from the line of charge?
c) What is Ex(R), the value of the x-component of the electric field at point R, located a distance 1.35 cm along a line that makes an angle of 30o with the x-axis?
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