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maheshmeghwal9
 3 years ago
I E Irodov
Q. :  1.11
maheshmeghwal9
 3 years ago
I E Irodov Q. :  1.11

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maheshmeghwal9
 3 years ago
Best ResponseYou've already chosen the best response.0http://irodovsolutionsmechanics.blogspot.in/2007/07/problem111.html

maheshmeghwal9
 3 years ago
Best ResponseYou've already chosen the best response.0Please help me understand this.

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1342517090459:dw

maheshmeghwal9
 3 years ago
Best ResponseYou've already chosen the best response.0k i wanna understand wt he has done after dot product i mean http://1.bp.blogspot.com/_v9nwkZLKggs/RpeUAYuKqCI/AAAAAAAABS0/RzCY7Orzo70/s1600h/1.11_3.JPG

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1342517323761:dw

maheshmeghwal9
 3 years ago
Best ResponseYou've already chosen the best response.0how u gt the marked one thats was my questiondw:1342517495860:dw

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0http://en.wikipedia.org/wiki/Dot_product have a look here .. u may get ur answer here

mathslover
 3 years ago
Best ResponseYou've already chosen the best response.0I have to go for now ... will have a look to it later . @mukushla will help u further

maheshmeghwal9
 3 years ago
Best ResponseYou've already chosen the best response.0but if theta is 90 degree this must be zero then from where did this dw:1342517733888:dw