Mathematics, 20.08.2021 21:30 hallkanay7398

There is a small scratch on a disco record located 14.8 cm from the center. When played, the scratch makes the record skip 30 times each minute (i. e., the scratch passes under the record player needle 30 times per minute). What is the linear speed of the scratch as it turns

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There is a small scratch on a disco record located 14.8 cm from the center. When played, the scratch...

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