A bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board, exiting at 275 m/s. (a) What is the average acceleration of the bullet through the board? (b) What is the total time that the bullet is in contact with the board? (c) What minimum thickness could the board have if it was supposed to bring the bullet to a stop? 6.4713 x 10^5, 5.1696 x 10^-4, 12.78 -6.4713 x 10^5, 5.1696 x 10^-4, 12.78 5.28645 x 10^5, 4.2194 x 10^-4, 19.15 -5.28645 x 10^5, 4.2194 x 10^-4, 19.15
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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