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The x and y component of vector p are 7i and 6j also x and y component of vector p+q are 10i and 10j respectively. The magnitude of vector q is?

The x and y component of vector p are 7i and 6j also x and y component of vector p+q are 10i and 10j respectively. The magnitude of vector q is?

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Grade:12th pass

1 Answers

Aksh
31 Points
5 years ago
p=7i+6jp+q=10i+10j therefore q=10i+10j-pq=10i+10j-(7i+6j)q=10i+10j-7i-6jq=3i+4j|q|=√(3×3+4×4)|q|=√[9+16]|q|=√25|q|=5

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