14. A block placed on an incline oriented 42° with respect to the horizontal has velocity u = 13.4 (m/s) î– 12.0 (m/s) ĵ at time t=0.00 (s). If its acceleration is a= 0.706 (m/s?) î – 0.636 (m/s?) î, what is the velocity v after t= 15.0s A. 3.86 (m/s) î– 1.41 (m/s) ĵ B. 24.0 (m/s) î -9.54 (m/s) ĵ C. 24.0 (m/s) î- 21.5 (m/s) ĵ D. 10.6 (m/s) î – 21.5 (m/s) ĵ
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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