anonymous
  • anonymous
A man pulls a 50.0 kg box with a rope parallel to the ground. He pulls the box 10.0 m. About how much work has he done? 5 J , 0.2 J , 5000J , or 500 J ?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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perl
  • perl
$$ \rm Work = F \cos \theta ~\Delta x $$ but here theta = 0 , so the equation simplifies to Work = Force * distance The force here is due to weight, weight = mass * gravity work = (50 kg * 9.8 ) * 10 meters
Michele_Laino
  • Michele_Laino
that's right! @perl
anonymous
  • anonymous
so 4900? so approximately 5000 J is our solution?

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perl
  • perl
correct
anonymous
  • anonymous
yay!! thanks!!

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