A dog running in an open field has components of velocity vz = 2.0 m/s and vy = -1.8 m/s at time t = 10.0 s. For the time interval from t = 10.0 s to t2 = 21.0 s, the average acceleration of the dog has magnitude 0.50 m/s? and direction 31.0° measured from the +r-axis toward the +y-axis. Part A At time t2 = 21.0 s, what is the r-component of the dog's velocity? Express your answer with the appropriate units. ANSWER: Vz = Part B At time t2 = 21.0 s, what is the y-component of the dog's velocity? Express your answer with the appropriate units. ANSWER: Vy = Part C What is the magnitude of the dog's velocity? Express your answer with the appropriate units. ANSWER: |v| =
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.
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