Two physics students are sitting on a spinning merry-go-round. One 1 pc student measures the time it takes the merry go round to make a full rotation, and shows that the time to make a rotation is remaining constant. He remarks that his acceleration is zero because his speed is remaining constant. Is the student correct or incorrect, and why? * The student is incorrect because an object with circular motion has a velocity that is constantly changing direction. The student is incorrect because the merry-go-round needs to start and stop every time it goes around the circle, therefore he is accelerating. The student is correct because acceleration must only occur in a straight line. The student is correct because the final speed minus the initial speed divided by the time is the correct relationship for this situation.

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Two physics students are sitting on a spinning merry-go-round. One
1 po
student measures the time it takes the merry go round to make a full
rotation, and shows that the time to make a rotation is remaining constant.
He remarks that his acceleration is zero because his speed is remaining
constant. Is the student correct or incorrect, and why? *
The student is incorrect because an object with circular motion has a velocity that is
constantly changing direction.
The student is incorrect because the merry-go-round needs to start and stop every
time it goes around the circle, therefore he is accelerating.
The student is correct because acceleration must only occur in a straight line.
The student is correct because the final speed minus the initial speed divided by the
time is the correct relationship for this situation.
Transcribed Image Text:Two physics students are sitting on a spinning merry-go-round. One 1 po student measures the time it takes the merry go round to make a full rotation, and shows that the time to make a rotation is remaining constant. He remarks that his acceleration is zero because his speed is remaining constant. Is the student correct or incorrect, and why? * The student is incorrect because an object with circular motion has a velocity that is constantly changing direction. The student is incorrect because the merry-go-round needs to start and stop every time it goes around the circle, therefore he is accelerating. The student is correct because acceleration must only occur in a straight line. The student is correct because the final speed minus the initial speed divided by the time is the correct relationship for this situation.
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