No Title
PH111 - MECHANICS
Solution to Quiz 3
Tuesday 9/15/15
Name
O101: periods 1,2
CM#
An object is observed to follow a trajectory described by
x(t)=4.00 m
-
(1.60 m/s
2
)t
2
(a) Sketch the parametric expression for x(t).
(b) What is the initial velocity of the object?
ANS:
v
x,i
=0
(c) What is the acceleration of the object?
ANS:
a
x
=
-
3.20 m/s
2
(d) When does the object pass through the origin?
0 = 4.00 m
-
(1.60 m/s
2
)t
2
o
t
o
= 1.58 s
File translated from T
E
X by
T
T
H
, version 3.85.
On 16 Sep 2015, 17:19.