18.
REASONING AND SOLUTION
The centripetal acceleration of the block is
a
c
=
v
2
/
r
= (28 m/s)
2
/(150 m) = 5.2 m/s
2
The angle
θ
can be obtained from
=
F
H
G
I
K
J
=
F
H
G
I
K
J
=°
tan
tan
5.2 m / s
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This note was uploaded on 01/29/2010 for the course CALC 01:640:135 taught by Professor Soffer during the Spring '08 term at Rutgers.
 Spring '08
 SOFFER

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