Find the component of 2i +3j +k in the direction of 3i-j
Favour , 3 Years ago
Grade 12th pass
Vectors> Find the component of 2i +3j +k in the di...
1 AnswersYuvraj Singh
Last Activity: 3 Years ago
Unit vector along 3i +4k
= (3i +4k)/ 5
Now magnitude of vector the component of vector 2i +3j+ k in the direction of 3i +4k
Take dot product
= (2i +3j +k).(3i +4k)/5
= (6 +0 +4)/5
= 10/5
= 2
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