At approximately what speed would string break

Reference no: EM1390766

Q. A set of 20 stairs, each of 20-cm height, is ascended by a 700 N man in a period of 1.25 s. Compute the mechanical work, power, and change in potential energy all through the ascent. I have 2800J. Where do I go from here?

Q. A certain string just breaks when it is under 1000-N of tension. A boy uses this string to whirl a 20-kg stone in a horizontal circle of radius 5m. The boy continuously increases the speed of the stone. At approximately what speed would string break?

Reference no: EM1390766

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At approximately what speed would string break : A set of 20 stairs, each of 20-cm height, is ascended by a 700 N man in a period of 1.25 s. Compute the mechanical work, power, and change in potential energy all through the ascent. I have 2800J. Where do I go from here.

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