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April 18, 2014

Homework Help: physics

Posted by hilary on Wednesday, January 6, 2010 at 5:54pm.

Nate is 165 cm tall, 40 cm wide, and weighs 710 N. He needs to walk ten blocks (1000 m) against a 50 km/h head-wind.

Nate pushes on the ground with the minimum force that allows him to move slowly forward at a constant speed, and against the drag from the wind.

How much energy does Nate spend?

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