Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Physics For Scientists & Engineers With Modern Physics (5th Edition)
5th Edition
ISBN: 9780134402628
Author: Douglas C. Giancoli
Publisher: PEARSON
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(1) The position of a particle for 1> 0 is given by F(t)= (3.0r i-7.0r j-5.01 k) m. (a) What
is the velocity as a function of time? (b) What is the acceleration as a function of time? (c) What
is the particle's velocity at /- 2.0 s? (d) What is its speed at t= 1.0 s and / 3.0 s? (e) What is
the average velocity between t-1.0s and r= 2.0 s?
(c) The position of a particle (in m) is as followed.
7= 6 î+0.8t² k
Find the velocity of the particle and explain why the particle is moving in
a rectilinear motion (i.e moving in a straight line).
(ii) Find the speed of the particle when t = 1.5 s.
(iii) Draw the motion graph of the particle for the first 1.5 seconds.
An object is moving along the x axis and an 18.0 s record of its position as a function of time is shown in the graph.
х (m)
32
20
8
t (s)
3 6 9
12
15
18
(a) Determine the position x(t) of the object at the following times.
t = 0.0, 3.00 s, 9.00 s, and 18.0 s
x(t = 0) =
x(t = 3.00 s) =
m
x(t = 9.00 s) =
x(t = 18.0 s) =
(b) Determine the displacement Ax of the object for the following time intervals. (Indicate the direction with the sign of your answer.)
At = (0
→ 6.00 s), (6.00 s → 12.0 s), (12.0 s → 18.0 s), and (0 → 18.0 s)
Ax(0 → 6.00 s) =
Дx (6.00 s
→ 12.0 s) =
Ax(12.0 s → 18.0 s) =
%3D
Ax(0 → 18.00 s) =
E E E E
Chapter 3 Solutions
Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Physics For Scientists & Engineers With Modern Physics (5th Edition)
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