car with good tires on a dry road can decelerate at about 2.5 m/s2 when braking. If the car is traveling at 70 km/h, what distance is needed to stop at the red light? Answer unit
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.
A car with good tires on a dry road can decelerate at about 2.5 m/s2 when braking. If the car is traveling at 70 km/h, what distance is needed to stop at the red light?
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Given:
The deacceleration of the car is 2.5 m/s2.
The initial speed of the car os 70 km/h.
The final speed of the car is 0 m/s.
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