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Chapt. 4 Two and ThreeDimensional Kinematics 43
x
direction.
b) Solve for
v
x
0
and
v
y
0
as functions of
ONLY
x
,
y
,
t
and
g
.
c) Solve for the launch speed
v
0
and launch angle
θ
from the horizontal as functions of
ONLY
x
,
y
,
t
, and
g
. Note
ONLY
x
,
y
,
t
, and
g
.
d) The ball landed 125 m in horizontal distance from the launch pad (i.e., homeplate) and
25 m above the launch height. The Fight time was 3
.
98 s. What was the launch speed and
angle?
004 qfull 00240 3 3 0 tough math: orient express
6. You are on the last run of the historic Orient Express train in 1939 traveling from Paris to
Istanbul. Somewhere between Belgrade and So±a, the train ominously starts accelerating in
the reverse direction—which we will call the negative
x
direction. The
MAGNITUDE
of this
acceleration is
a
tr
. The train is on a
STRAIGHT
, level line of track. Neglect
AIR DRAG
.
a) Inside the train car a projectile is launched in the positive
x
direction (i.e., in the forward
direction). What is the horizontal acceleration
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This note was uploaded on 11/16/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.
 Fall '06
 Buchler
 Physics

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