Chapter 2
Problem Set
GE 208K
1.
The position versus the time for a certain particle moving along the x axis is
shown in the figure below. Find the average velocity in the time intervals
a.
0 to 2 s
b.
0 to 4 s
c.
4 to 7 s
d.
0 to 8 s
2.
A particle moves according to the equations
2
10
t
x
=
where x is in meters and t is
in seconds.
a.
Find the average velocity for the time interval from 2.00 s to 3.00 s
b.
Find the average velocity for the interval from 2.00 s to 2.10 s
3.
Find the instantaneous velocity of the particle described in the figure 1 at the
following times:
a.
t = 1.0 s
b.
t = 3.5 s
c.
t = 4.5 s
d.
t = 7.5 s
4.
The position of a particle moving along the x axis varies in time according to the
expression
2
3
t
x
=
where x is in meters and t is in seconds. Evaluate its position at
a.
t = 3.0 s
b.
at 3.0 s +
∆
t
c.
Evaluate the limit of
∆
x/
∆
t as
∆
t approaches zero, to find the velocity at t
= 3.0s
5.
A 50.0g super ball traveling at 25.0 m/s bounces off a brick wall and rebounds at
22.0 m/s. A high speed camera records this event. If the ball is in contact with the
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '10
 Tsoi
 Acceleration, Velocity

Click to edit the document details