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The angular speed of a rotating platform changes from ω 0 = 2.8 r a d /
Question
The angular speed of a rotating platform changes from
ω
0
=
2.8
r
a
d
/
s
to
ω
=
8.8
r
a
d
/
s
at a constant rate as the platform moves through an angle
Δ
θ
=
5.5
r
a
d
i
a
n
s
. The platform has a radius of R = 28 cm.
(a) Calculate the angular acceleration of the platform.
(b) Calculate the tangential acceleration of a point on the surface of the platform at the outer edge.
(c) Calculate the final centripetal acceleration of a point at the outer edge of the platform.
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Physics
3 years
2021-08-31T18:54:34+00:00
2021-08-31T18:54:34+00:00 1 Answers
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Answers ( )
Answer:
a
Explanation:
The angular speed of a rotating platform changes from.at a constant rate as the platform moves through an angle