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An electric motor of power 100 W is used...

An electric motor of power 100 W is used to drive the stirrer in a water bath. If 50% of the energy supplied to the motor is spent in stirring the water,calculate the work done on water in one minute.

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To solve the problem step by step, we will follow these calculations: ### Step 1: Identify the power of the motor The power of the electric motor is given as: \[ P = 100 \, \text{W} \] ### Step 2: Determine the effective power used for stirring Since 50% of the energy supplied to the motor is used for stirring the water, we can calculate the power used for stirring (P_water) as: ...
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