A light-rail commuter train accelerates at a rate of 1.45 m/s“. How long (in s) does it take to reach its top speed of 80.0 km/h, starting from rest? The same train ordinarily decelerates at a rate of 1.75 m/s2. How long (in s) does it take to come to a stop from its top speed? In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s?? m/s2
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 light-rail commuter train accelerates at a rate of 1.45 m/s“. How long (in s) does it take to reach its top speed of 80.0 km/h, starting from rest?
The same train ordinarily decelerates at a rate of 1.75 m/s2. How long (in s) does it take to come to a stop from its top speed?
In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s??
m/s2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe15d21cd-3875-4270-92b4-6749e1bc7456%2F39dfa305-16d7-4ede-9b90-221348adda81%2Fw2f5l1j.png&w=3840&q=75)
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