Finding out the tension in the string
A 280 g block on a 50 cm-long string swings in a circle on a horizontal, frictionless table at 70 rpm.
What is the speed of the block?
What is the tension on the string?
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a length of L which is very long compared to the diameter of the shell, neglect edge effects. What is the electric field at 9.4 cm from the central axis?
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A 280 g block on a 50 cm-long string swings in a circle on a horizontal, frictionless table at 70 rpm. What is the speed of the block? What is the tension on the string?
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