# Chapter 17 - Problems - Page 654: 39

(a) Work is done at the rate of $3600~J/s$ (b) $Work = 5.4~J$

#### Work Step by Step

(a) We can find the power delivered by the electric organs: $P = V~I$ $P = (200~J/C)(18~C/s)$ $P = 3600~J/s$ Work is done at the rate of $3600~J/s$ (b) We can find the work done during one pulse: $Work = P \times t$ $Work = (3600~J/s)(1.5\times 10^{-3}~s)$ $Work = 5.4~J$

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