A firehose 12 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface at the steady speed of 2.3 m/s. The mass of 1.0 m of the hose is 0.25 kg. How much work has been done on the hose by the applied force when the entire hose is moving?
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A firehose 12 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface...
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