Closest Approach of Two Ants on a Triangular Path

Question

PASSAGE:

3 solid rods are joined together to form a triangle ABC. 3 ants a, b and c initially situated at A, B and C respectively start moving in directions along the rods AB, BC and CA respectively at time t = 0, with constant speeds as shown in the figure.

QUESTION:

What will be the minimum distance between ant a and b during the motion?

A. 3 m

B. \({3 \over \sqrt{2}}\) m

C. 0.9 m

D. 1.7 m

Answer 1

The correct answer will be 3m

Comments

given answer was 0.9