maheshmeghwal9
  • maheshmeghwal9
I E Irodov Q. : - 1.11
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
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maheshmeghwal9
  • maheshmeghwal9
1 Attachment
maheshmeghwal9
  • maheshmeghwal9
http://irodovsolutionsmechanics.blogspot.in/2007/07/problem-111.html
maheshmeghwal9
  • maheshmeghwal9
Please help me understand this.

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mathslover
  • mathslover
|dw:1342517090459:dw|
maheshmeghwal9
  • maheshmeghwal9
k i wanna understand wt he has done after dot product i mean http://1.bp.blogspot.com/_v9nwkZLKggs/RpeUAYuKqCI/AAAAAAAABS0/RzCY7Orzo70/s1600-h/1.11_3.JPG
mathslover
  • mathslover
|dw:1342517323761:dw|
maheshmeghwal9
  • maheshmeghwal9
how u gt the marked one thats was my question|dw:1342517495860:dw|
maheshmeghwal9
  • maheshmeghwal9
so how?
mathslover
  • mathslover
http://en.wikipedia.org/wiki/Dot_product have a look here .. u may get ur answer here
mathslover
  • mathslover
I have to go for now ... will have a look to it later . @mukushla will help u further
maheshmeghwal9
  • maheshmeghwal9
but if theta is 90 degree this must be zero then from where did this |dw:1342517733888:dw|