String Cheese Theory

A hollow rubber ball, whose volume is 3 x 10-3m3 and has a mass of 1.0 kg) is held by a 1-meter-long string attached to the bottom of a large container of water. What is the tension in the string?

A. 20 N.

B. 35 N.

C. 40 N.

D. 45 N.

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