+0  
 
0
591
2
avatar+26 

 

Please somebody help me with this one.

 Feb 2, 2015

Best Answer 

 #1
avatar+118587 
+18

that is approx

$$\sqrt{\frac{7.89*10^7}{9.8^3*2}}
\approx\sqrt{\frac{8*10^7}{10^3*2}}
\approx \sqrt{4*10^4}
\approx 2*10^2
\approx 200$$

 Feb 2, 2015
 #1
avatar+118587 
+18
Best Answer

that is approx

$$\sqrt{\frac{7.89*10^7}{9.8^3*2}}
\approx\sqrt{\frac{8*10^7}{10^3*2}}
\approx \sqrt{4*10^4}
\approx 2*10^2
\approx 200$$

Melody Feb 2, 2015
 #2
avatar+26 
+10

Thank you so much!c:

 Feb 2, 2015

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