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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Xavia 3 years 2021-08-31T18:54:34+00:00 1 Answers 28 views 0

Answers ( )

    0
    2021-08-31T18:55:59+00:00

    Answer:

    a

    Explanation:

    The angular speed of a rotating platform changes from.at a constant rate as the platform moves through an angle

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