An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?
An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An automobile with 0.260 m radius tires travels 80,000 km
before wearing them out. How many revolutions do the tires
make, neglecting any backing up and any change in radius
due to wear?
Transcribed Image Text:Formula Sheet and Checklist for Circular Motion and Gravitation
Topic
Uniform Circular Motion
Definition/Formula
Motion in a circular path with constant speed.
Distance traveled by an object along a circular
path.
Arc length, As
Rotation Angle, AO
As
The Radian
Linear Velocity, v
2n radians = 1 revolution = 360°
Rate of change of arc length with respect to
As
time. v =
At
Angular Velocity, w
Rate of change of angle with respectto time.
W =
At
Relationship between Angular Velocity and
Linear Velocity
Centripetal Acceleration, ac
v = rw
v2
a =
a = rw?
Centripetal Force, F.
mv2
F =
; F = mrw?
%3D
Inertial Frame of reference
A Frame of Reference moving with constant
velocity.
Non-Inertial Frame of reference
An accelerating Frame of Reference.
Fictitious Force
An unrealforce due to a Non-Inertial Frame of
Reference.
Centrifugal Force
An unrealforce due to circular motion.
Coriolis Force
A fictitious force observed froma Non - Inertial
frame of Reference.
Universal Law of Gravitation
F = G
r2
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