Please answer in full sentences. Chip & Dale are talking with Gadget about a nee

Question

Please answer in full sentences.

Chip & Dale are talking with Gadget about a needle on a record. Chip: The needle travels the same distance in the same amount of time, regardless of whether the needle is closer to the middle or closer to the outside of the record. Dale: The needle travels the same distance in the same amount of time, regardless of whether the needle is closer to the middle or closer to the outside of the record. Gadget: You are both wrong! Who is wrong? Who is right? Explain using your knowledge of physics.

Explanation / Answer

Gadget is right and dale and chip are wrong

the record is playing with some constant angular velocity w so the velocity i given by wR where R is the distance of the needle from the middle

So the needle will travel a greater distance in same time when it is nearer to the outside boundary

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