1.

If →B makes an angle of 53∘ and →C makes an angle of 37∘ with x−axis as shown in the figure and the magnitude of →A and →C is equal to 10 and 5 respectively, then the magnitude of →B is [Given, →A+→B+→C=0] (Take √9804=99)

Answer»

If →B makes an angle of 53∘ and →C makes an angle of 37∘ with x−axis as shown in the figure and the magnitude of →A and →C is equal to 10 and 5 respectively, then the magnitude of →B is [Given, →A+→B+→C=0] (Take √9804=99)






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