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.
![A tennis ball of mass 57.0 g is held just above a basketball of mass 627 g. With their centers vertically aligned, both balls are released from rest at the same time, to fall through a distance
1.40 m, as shown in the figure below.
(a) Find the magnitude of the downward velocity with which the basketball reaches the ground.
5.238
m/s
(b) Assume that an elastic collision with the ground instantaneously reverses the velocity of the basketball while the tennis ball is still moving down. Next, the two balls meet in an
elastic collision. To what height does the tennis ball rebound?
9.15
Your incorrect answer may have resulted from roundoff error. Make sure you keep extra significant figures in intermediate steps of your calculation. m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa72dae9f-0052-41b5-80f3-bd0e25abf3cd%2F0d50918a-6dc5-42f9-96a3-0ab133950d89%2Fpkxnode_processed.png&w=3840&q=75)
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