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mom54
mom54
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$2.00 How much work done?

  • From Physics: General-Physics
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  • Due on Mar. 01, 2009
  • Asked on Feb. 28, 2009 at 02:18:58AM
Q:
Bob whose mass is 75Kg, skis down a hill that is inclined at an angle of 15 degrees to the horizontal and has a vertical rise of 25m. How much work is done by gravity on Bob as he goes down the hill?
Please add formula
 


   
   
   
   
 
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Posted by:
kkavya
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$1.00 a complete solution

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  • Posted on Feb. 28, 2009 at 02:24:51AM
A:
Preview: ... hose mass is 75Kg, skis down a hill that is inclined at an angle ...

The full tutorial is about 75 words long .
Posted by:
GangadharSenapati
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$2.00 Please see it and give a rating

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  • Posted on Feb. 28, 2009 at 02:30:54AM
A:
Preview: ... n a hill that is inclined at an angle of 15 degrees to the horizontal and has a vertical rise of ...

The full tutorial is about 109 words long plus attachments.

Attachments:
energy.docx (10K) (Preview)
Posted by:
dinkerj
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$1.00 Answer with explanation

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  • Posted on Feb. 28, 2009 at 02:42:56AM
A:
Preview: ... hill, P.E = mgh = 75*9.8*25 = 18375 J<br>K.E = 1/2 mv^2 =0 (as bob is in rest)<br>So, total energy at the top of hill = P.E + K.E = 18375 J<br><br>At the botto ...

The full tutorial is about 153 words long .
Posted by:
vb68
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$0.25 Your A++ answer!

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  • Posted on Feb. 28, 2009 at 03:23:47AM
A:
Preview: ... oes not depend on the path taken by the body i ...

The full tutorial is about 40 words long .
Posted by:
vb68
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$0.50 First year college physics

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  • Posted on Feb. 28, 2009 at 03:25:07AM
A:
Preview: ... h). It does not depend on the path taken by the ...

The full tutorial is about 40 words long .
Posted by:
minaras
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$0.25 hill

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  • Posted on Feb. 28, 2009 at 04:28:31AM
A:
Preview: ... leration and h the vertical dista ...

The full tutorial is about 24 words long .
   
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