The jungle man carrying the dinner for his family has a total mass of 150 kg and from rest swings from the cliff by rigidly holding the tree vine, which is 12 m measured from the supporting limb A to his center of mass. Assume that the vine remains taut. Use A as the datum. A. What is the initial potential energy of the man? Consider the moment when the vine strikes the lower limb B. B. What is the kinetic energy at this instant? C. Determine his speed at this instant.

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.