4.27 A pressurized tank of water is mounted on a cart as shown.

A jet issues from a nozzle in the tank at a constant speed and propels the cart along a horizontal track. The initial mass of the cart and tank is 100 kg, and the nozzle area is 0.005 m2. Determine the jet speed required to accelerate the cart to 1.5 m/s in 30 s.

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A Initial mass, Mo P4.27 U