A fly wheel with a 15 cm diameter is rotating at a rate of 8 radians per second. what is the linear speed of a point on its rim?
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Answer:
Step-by-step explanation:
The key here is relate linear and angular velocity,
ν
=
r
ω
Given,
r
=
d
2
=
7.5
cm
=
0.075
m
ω
=
7
rad
s
Hence,
ν
=
r
ω
=
0.525
m
s
⋅
60
s
min
=
31.5
m
min
is the speed of a point about the circumference of wheel.
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