The speeder passes the position of thepolice car with a constant speed of 15 m>s. The police car immediately starts from rest and pursues the speeder with constantacceleration. What acceleration must the police car have if it isto catch the speeder in 7.0 s? Measure time from the moment thepolice car starts.
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.
The speeder passes the position of the
police car with a constant speed of 15 m>s. The police car immediately starts from rest and pursues the speeder with constant
acceleration. What acceleration must the police car have if it is
to catch the speeder in 7.0 s? Measure time from the moment the
police car starts.
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