A 23 Kg Mass Is Connected to a Nail on a Frictionless

question 71

Multiple Choice

A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. There is no appreciable friction between the nail and the string. If the tension in the string is 51 N while the mass moves in a uniform circle on the table, how long does it take for the mass to make one complete revolution?

• A) 4.8 s
• B) 3.8 s
• C) 4.5 s
• D) 5.2 s

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