LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
in Physics by (39.4k points)
closed by

Given P = 4i – j + 8k and Q = 2i – mj + 4k find m if  P and Q have the same direction.

1 Answer

+1 vote
by (38.6k points)
selected by
Best answer

Since P and Q have the same direction, their corresponding components must be in the same proportion, i.e.,



\(\therefore \,m=\frac{1}{2}\)

Value of m is \(\frac{1}{2}\).

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.