It takes 2.96 s for a rock to hit the ground when it is thrown straight up from a cliff with an initial velocity of 7.00 m/s. Assume all values are correct upto 3 significant figures. (a) • Using the notation Ay=y-yo for displacement, y for position after time t, yo for the initial position, v for velocity after time t, vo for initial velocity, and a for acceleration, determine what quantities are known and what are unknown. • Enter the values of some known quantities below. • Make sure you account for the signs of the vectors using the coordinate system used in Part 1. Enter to 3 significant figures = Vo 7.00 a= -9.80 t = 2.96 m/s m/s² S (b) Is the motion of the rock one with constant velocity or constant acceleration? constant acceleration

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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.