4. Marilyn(M) and her twin sister Sheila (S) are riding on a merry-go-roundrevol
ID: 1679476 • Letter: 4
Question
4. Marilyn(M) and her twin sister Sheila (S) are riding on a merry-go-roundrevolving at a constant rate. Sheila is closer to the center, asshown (bird's-eye view). (a) They havedifferent speeds, and different angularvelocities (b) They havethe same speed, but their angular velocity isdifferent. (c) They havedifferent speeds, but the same angularvelocity. (d) They havethe same speed and the same angularvelocity.
Explanation / Answer
they go around at constant rate =>same angular velocity the speed : V =R => different speed (differentdistance from center) => (c) They have different speeds, but the sameangularvelocity.
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