Approximately 0.1% of the bacteria in anadult human’s intestines are Escherichia coli. These bacteria havebeen observed to move with speeds up to 15 mm>s and maximumaccelerations of 166 mm>s2. Suppose an E. coli bacterium in yourintestines starts at rest and accelerates at 156 mm>s2. How much(a) time and (b) distance are required for the bacterium to reach aspeed of 12 mm>s?
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.
Approximately 0.1% of the bacteria in an
adult human’s intestines are Escherichia coli. These bacteria have
been observed to move with speeds up to 15 mm>s and maximum
accelerations of 166 mm>s2
. Suppose an E. coli bacterium in your
intestines starts at rest and accelerates at 156 mm>s2
. How much
(a) time and (b) distance are required for the bacterium to reach a
speed of 12 mm>s?
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