A car is traveling at 50 mi/h on a straight horizontal highway. TI on the brakes to stop the car. a) When the road is dry, the coeffic road and tires is µ, = 0.6. Calculate the minimum distance (in can come to rest. b) On a rainy day, when the road is wet, th
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.
![15. A car is traveling at 50 mi/h on a straight horizontal highway. The driver suddenly slams
on the brakes to stop the car. a) When the road is dry, the coefficient of friction between
road and tires is µ, = 0.6. Calculate the minimum distance (in meters) in which the car
can come to rest. b) On a rainy day, when the road is wet, the coefficient of friction
between road and tires is µ, = 0.1. What is the minimum stopping distance (in meters)
now?
Comment: Modern cars are equipped with anti-lock braking systems (ABS). The ABS
prevents the wheels from completely locking up. When the wheels lock up completely,
they begin to slide on the road and thus experience kinetic friction. When the wheels do
not lock up completely, they experience rolling friction. In this context, rolling friction
can be approximated as static friction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F87082b8a-b4f5-455e-a232-6f60990eaa64%2F6e8958ee-d07f-4c6d-82ac-75ef437f02d1%2F77hqvri_processed.png&w=3840&q=75)
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