Can someone explain how to arrive at the solution to this multiple choice questi

Question

Can someone explain how to arrive at the solution to this multiple choice question please? thanks!

Suppose you are standing on the edge of a spinning carousel and step off at right

angles to the edge (radially outward). Now consider it the other way. You are standing

on the ground next to a spinning carousel and you step onto the platform at right angles to

the edge (radially inward).

a) There is no change in rotational speed of the carousel in either situation.

b) There is a change in rotational speed in the first situation but not the

second.

c) There is a change in rotational speed in the second situation but not the

first.

d) There is a change in rotational speed in both instances.

Explanation / Answer

There is a change in rotational speed in the second situation but not the

first.

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