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13-12-2022
Biology

Answered

A small block with mass 0.170kg is attached to a string passing through a hole in a frictionless, horizontal surface. The block is originally revolving in a circle with a radius of 0.800m about the hole with a tangential speed of 4.00m/s. The string is then pulled slowly from below, shortening the radius of the circle in which the block revolves. The breaking strength of the string is 30.0 M.

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