sasas
posted by 2121 .
A simple pulley with the given
radius r used to lift heavy objects is positioned 10 feet above
ground level. Given that the pully rotates °, determine the height
to which the object is lifted.
(a) r 4 in., 720°

sasas 
Anonymous
2 ft

sasas 
anoobsters
(a)r=4in, θ=720°
720°(π/180°)
=4π
S=rθ
S=(4in)(4π)
S=16π
S≈50.27in
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