Current Attempt in Progress A car can be braked to a stop from the autobahn-like speed of 214 km/h in 160 m. Assuming the acceleration is constant, find its magnitude in (a) SI units and (b) in terms of g. (c) How much time To is required for the braking? Your reaction time T, is the time y require to perceive an emergency, move your foot to the brake, and begin the braking. If T, = 400 ms, then (d) what is the ratio Th Dark sunglasses delay the visual signals sent from the eyes to the visual cortex in the brain, increasing Tr. (e) In the extreme case i which T, is increased by 100 ms, how much farther along the road does the car travel during your reaction time? (a) Number i (b) Number i (c) Number i (d) Number i (e) Number i Units Units. Units Units Units g
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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