A particle travels along the +x axis. At t = 0 s, its velocity is 10.0 m/s and its acceleration is -2.0 m/s^2. Question A: Which of the following statements is true? 1. The particle will slow down and eventually come to a complete stop 2. The particle cannot have a negative acceleration and be moving in the positive x direction 3. The particle will continue to move in the positive x direction, slowing but never coming to a complete stop. 4. The particle will slow down, stop momentarily, then speed up in the x- direction. Question B: At what time will the particle be stopped? 1. t = 5.0 s 2. t = -5.0 s 3. t = -0.2 s 4. The particle does not ever stop Question C: What is the particle's displacement from its initial position at t = 10.0 s ? Please Answer questions A, B, and C
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 particle travels along the +x axis. At t = 0 s, its velocity is 10.0 m/s and its acceleration is -2.0 m/s^2.
Question A: Which of the following statements is true?
1. The particle will slow down and eventually come to a complete stop
2. The particle cannot have a negative acceleration and be moving in the positive x direction
3. The particle will continue to move in the positive x direction, slowing but never coming to a complete stop.
4. The particle will slow down, stop momentarily, then speed up in the x- direction.
Question B: At what time will the particle be stopped?
1. t = 5.0 s
2. t = -5.0 s
3. t = -0.2 s
4. The particle does not ever stop
Question C: What is the particle's displacement from its initial position at t = 10.0 s ?
Please Answer questions A, B, and C
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