The equation for the motion of an object with constant acceleration is d= do + vt + at, where d is distance from a given point in meters, do is the initial distance from the starting point in meters, v is the starting velocity in meters per second, a is acceleration in meters per second squared, and t is time in seconds. A car is stopped at a traffic light. When the light turns green, the driver begins to drive, accelerating at a constant rate of 4 meters per second squared. A bus is traveling at a speed of 15 meters per second in another lane. The bus is 7 meters behind the car as it begins to accelerate. Find when the bus passes the car, when the car passes the bus, and how far each has traveled each time they pass one another.
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 equation for the motion of an object with constant acceleration is
d= do + vt + at, where d is distance from a given point in meters, do
is the initial distance from the starting point in meters, v is the starting
velocity in meters per second, a is acceleration in meters per second
squared, and t is time in seconds.
A car is stopped at a traffic light. When the light turns green, the driver
begins to drive, accelerating at a constant rate of 4 meters
squared. A bus is traveling at a speed of 15 meters per second in another
lane. The bus is 7 meters behind the car as it begins to accelerate.
per
second
Find when the bus passes the car, when the car passes the bus, and how
far each has traveled each time they pass one another.
it lad
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