Alexis shoots a toy rocket straight upward from the ground. When the rocket is 17.5m from the ground, it runs out of fuel. The instant the toy rocket runs out of fuel it has a speed of 13.5m/s and is in Freefall. (NOTE: While the rocket rises to 17.5m, it is not in Freefall. The rocket is only Freefall immediately after it runs out of fuel.) (HINT: Think about what your initial information should be to start this problem when the rocket is in a state of Freefall) A ) Determine  the two velocities of the toy rocket when it is 21.0m from the ground, B) the two times it takes for the toy rocket to be 21.00m from the ground, C)the time it takes for the toy rocket to reach the ground from where it runs out of fuel, D) the average velocity of the toy rocket from when it runs out fuel to the moment before it reaches the ground

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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.