Such power, many motor, very water, so Physics.

Level pending

A 1,500 Watt motor is used to pump water a vertical height of 2.0 meters out of a flooded basement through a cylindrical pipe. The water is ejected though the end of the pipe at a speed of 2.5 m/s. Ignoring friction and assuming that all of the energy of the motor goes to the water, which of the following is the closest to the radius of the pipe, in cm? The density of water is \( \rho = 1000 \text{kg/m}^3 \).

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