Two cars, P and Q, travel in the same direction on a long, straight section of a highway. Car P passes car Q at time to. 1) Suppose cars, P and Q each move with constant speed. At time to, is the magnitude of the instantaneous velocity of car P greater than, less than, or equal to the magnitude of the instantaneous velocity of car Q? Explain. 2) Suppose instead that car P is moving with constant speed but car Q is speeding up. At time to, is the magnitude of the instantaneous velocity of car P greater than, less than, or equal to the magnitude of the instantaeous velocity of car Q? Explain.
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.
Two cars, P and Q, travel in the same direction on a long, straight section of a highway. Car P passes car Q at time to.
1) Suppose cars, P and Q each move with constant speed. At time to, is the magnitude of the instantaneous velocity of car P greater than, less than, or equal to the magnitude of the instantaneous velocity of car Q? Explain.
2) Suppose instead that car P is moving with constant speed but car Q is speeding up. At time to, is the magnitude of the instantaneous velocity of car P greater than, less than, or equal to the magnitude of the instantaeous velocity of car Q? Explain.
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