What is the acceleration of a car racer that accelerates from 0 to 90 m/s in 6.0 seconds? What is the acceleration of a truck driver moving at 18 m/s and applies the brakes and stops in 4.0 seconds?
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.
- What is the acceleration of a car racer that accelerates from 0 to 90 m/s in 6.0 seconds?
- What is the acceleration of a truck driver moving at 18 m/s and applies the brakes and stops in 4.0 seconds?
- An automobile accelerates from rest at 8.8 m/s in 3.0 seconds using the first gear then changes to second gear. The automobile reaches 22.0 m/s and is shifted in to the third gear. After 7.0 seconds in third gear, it reaches 41.8 m/s. Calculate the average acceleration in each gear.
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