+0  
 
0
569
2
avatar+1832 

In this question , I think he made a mistake ! 

The impulse in i direction must be negative ? 

 

 

 

 

 

 Dec 15, 2015

Best Answer 

 #1
avatar+32822 
+10

You are correct (the magnitude of I is still ok though).

 Dec 16, 2015
 #1
avatar+32822 
+10
Best Answer

You are correct (the magnitude of I is still ok though).

Alan Dec 16, 2015
 #2
avatar+1832 
0

Yes, the magnitude is correct because of the square 

 

Thank you Alan for your help.  

 Jan 5, 2016

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