In a total solar eclipse, it is possible for the moon to momentarily cover the sun for an observer on the Earth's surface since: a) the angle that covers the diameter of the moon is the same that covers the diameter of the sun during the eclipse. b) the tangential acceleration of the moon and the sun is the same while the eclipse occurs. c) the length of the arcs corresponding to the diameters of the sun and the moon are equal during the eclipse. d) the angular speed of the moon and the sun is egual while the eclipse occurs.
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.
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