boy and a girl pull and push a crate along an icy horizontal surface, moving it 15 m a constant speed. The boy exerts 50
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boy and a girl pull and push a crate along an icy horizontal surface, moving it 15 m a constant speed. The boy exerts 50
boy and a girl pull and push a crate along an icy horizontal surface, moving it 15 m a constant speed. The boy exerts 50 N of force at an angle of 52° above the orizontal, and the girl exerts a force of 50 N at an angle of 32° above the horizontal, alculate the total work done by the boy and girl together.
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