A hovercraft has an initial position of r(t = 0s) = 235m @ 265◦, an initial velocity of ⃗v(t = 0s) = 125m/s @ 14◦, and a constant acceleration of ⃗a = 21.3m/s^2 @ 143◦ . (a) How long does it take for the x coordinate of the hovercraft’s position to reach -100m? (b) What is the hovercraft’s position at this time?
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 hovercraft has an initial position of r(t = 0s) = 235m @ 265◦, an initial velocity of
⃗v(t = 0s) = 125m/s @ 14◦, and a constant acceleration of ⃗a = 21.3m/s^2 @ 143◦
.
(a) How long does it take for the x coordinate of the hovercraft’s position to reach -100m?
(b) What is the hovercraft’s position at this time?
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