A model rocket rises with constant acceleration to a height of4.2 m, at which point its speed is 26.0 m>s. (a) How much timedoes it take for the rocket to reach this height? (b) What was themagnitude of the rocket’s acceleration? (c) Find the height andspeed of the rocket 0.10 s after launch.
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 model rocket rises with constant acceleration to a height of
4.2 m, at which point its speed is 26.0 m>s. (a) How much time
does it take for the rocket to reach this height? (b) What was the
magnitude of the rocket’s acceleration? (c) Find the height and
speed of the rocket 0.10 s after launch.
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