Kinematics Question 12

Question: Magnitude of vector which comes on addition of two vectors, 6i^+7j^ and 3i^+4j^ is [BHU 2000]

Options:

A) 136

B) 13.2

C) 202

D) 160

Show Answer

Answer:

Correct Answer: C

Solution:

R=A+B = 6i^+7j^+3i^+4j^ = 9i^+11j^

|R| = 92+112=81+121=202



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