Question

Two particles P and Q are moving with velocities of (i+j) and (-i + 3j) respectively. At time t = 0, P is at
origin and Q is at a point with position vector (2i+j). Then the shortest distance between P & Q is:
O 25
O
475
5
5
O
3
O
3
V2
V5​

Answer 1

Explanation:

vector P=i+2j+3k and Q vector=2i-j-k. Find the angle between 2P+Q and P-2Q vectors.