Qualification > Sciences

physics!!

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T.Q:

--- Quote from: nid404 on April 15, 2010, 10:38:00 am ---I got the same answer....

But the back of the book says 1713  :(

--- End quote ---

it might be a printing error

add the 1  to 713 by  mistake 

nid404:
Let's hope so...


Makes me feel good  ;D  :P

Thanks tho

student:
How did you get 13.97 anyway?
12+3cos54=13.76..

T.Q:

--- Quote from: student on April 15, 2010, 11:38:27 am ---How did you get 13.97 anyway?
12+3cos54=13.76..

--- End quote ---

the resultant velocity


v=(12cos54+3)^2 + (12sin54)^2

then take the sqr root of the ans

Amr Fouad:
dont worry nid..it's 713 definitely..

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