If A=3i+4j-5k
B=3i-4j-5k
Then find the scalar projection of A in the direction of B ?
Answers
Answered by
1
Scaler projection of A on B
= A. B/ |B|
= (3i+4j-5k).(3i-4j-5k) / √[3²+4²+(-5²)]
= (9-16+25)/√50
= 18/7.07
= 2.54
Similar questions