Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 3, Problem 43P
Why is the following situation impassible? A normally proportioned adult walks briskly along a straight line in the +x direction, standing straight up and holding his right arm vertical and next to his body so that the arm does not swing. His right hand holds a ball at his side a distance h above the floor. When the ball passes above a point marked as x = 0 on the horizontal floor, he opens his fingers to release the ball from rest relative to his hand. The ball strikes the ground for the first time at position x = 7.00h.
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A particle moves horizontally in uniform circular motion, over a horizontal xy plane. At one instant, it
moves through the point at coordinates (4.90 m, 3.70 m) with a velocity of -2.40 î m/s and an
acceleration of +11.9 m/s². What are the (a) x and (b) y coordinates of the center of the circular path?
(a) Number i 4.41
(b) Number i
3.70
Unit
Unit
m
m
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acceleration vector and the velocity vector at t = 3.660 s.
Answers:
v= (
i
i+
i
j) m/s
e =
The velocity of a particle is V and is constant. It moves counterclockwise on a circle with center "O" and radius R.
Draw the circle. When the particle is in the vector R position, draw vector R, vector V, vector A, and vector da/dt(time derivative of acceleration).
Chapter 3 Solutions
Principles of Physics: A Calculus-Based Text
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