find vector and direction

Asked by Rucha Madke | 18th Jun, 2013, 09:41: AM

Expert Answer:

A = 4i + 6j 
A+B = 10i + 14j 
 
Hence B = (A+B) - A
B = 10i + 14j  - (4i + 6j )
B = 6i+8j
Direction with x axis = tan^-1[6/sqrt(6^2+8^2) ]= tan^-1[3/5]

Answered by  | 19th Jun, 2013, 07:32: AM

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