Solution-Fraction of stored energy turned into useful

Fraction of stored energy turned into useful mechanical work

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Reference no: EM132011571

Electric winch pulley systems like the one shown below are often used to place equipment into the ocean from a research vessel (like the Scripps Oceanography ship Sally Ride). Assume the motors of one of these winches is powered a battery with an total energy capacity (potential energy) of E_{battery} =

E?battery ??=7.64 Watt-hour and total efficiency (fraction of stored energy turned into useful mechanical work) of ε = 0.252. The motor, fully charged, is connected to a cable through a pulley system to a CTD (conductivity, temperature and pressure/depth) instrument with a mass of 94.7 kg. If the CTD instrument, initially at rest, is pulled vertically up from the water, how high can it go before the motor battery is completed drained?

Reference no: EM132011571

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Fraction of stored energy turned into useful mechanical work

Reference no: EM132011571

Reference no: EM132011571

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