1.

2.The3 vectors OA, OB, OC have the samemagnitude R. Then the sum of these vectors havemagnitude4S4S

Answer»

Sum of OA and OB = √R²+R² = √2R in the direction of OC

so, sum of all the vectors = (sum of OA +OB )+OC = √2R+R

option d



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