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tv
==
=
A
/(
)
15
36
m) / (0.417 m / s
s.
If the various times given are independent of the escalator length, then the answer does
not depend on that length either. In terms of
A
(in meters) the speed (in meters per
second) of the person walking on the stalled escalator is
A
90, the speed of the moving
escalator is
A
60 , and the speed of the person walking on the moving escalator is
()
90
60
0.0278
v
=+=
AA
A
. The time taken is
=
A
0 0278
36
.
s and
is
independent of
A
.
106. When the escalator is stalled the speed of the person is
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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