Question

What is the component of (3i^ + 4j^) perpendicular to (i ^+ j^)

Answer 1

Answer:

7/root 2

Explanation:

IF ONLY COMPONENT

LET VECTOR A = 3i^+4j^

COMPONENT = (3i + 4j ) UNIT VECTOR OF (i + j)

(3i + 4j )(i/root 2 +j/root 2 )

answer = (3/root 2 + 4/ root 2)

= 7/root 2