A 300gblock on a 56.0cm-long string swings in a circle on a horizontal, frictionless table at 70.0rpm.

| April 14, 2018

A 300gblock on a 56.0cm-long string swings in a circle on a horizontal, frictionless table at 70.0rpm.a. What is the speed of the block?b. what is the tension in the string?

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