An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2 m/s2 and the automobile at an acceleration of 3 m/s2 . The automobile overtakes the truck after the truck has moved 75 m. Try to draw the figure. a) How long does it take the auto to overtake the truck? b) How far was the auto behind the truck initially? c) What is the velocity of each when they are abreast
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.
An automobile and a truck start from rest at the same instant, with the automobile
initially at some distance behind the truck. The truck has a constant acceleration of 2
m/s2 and the automobile at an acceleration of 3 m/s2
. The automobile overtakes the
truck after the truck has moved 75 m. Try to draw the figure.
a) How long does it take the auto to overtake the truck?
b) How far was the auto behind the truck initially?
c) What is the velocity of each when they are abreast?
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