Question

To an observer standing on the ground the velocity of a cyclist is 12 m/s in the horizontal direction and that or rain drops falling vertically down is 6 m/s. The magnitude of the velocity of the rain drops relative to the cyclist is

• A. 6 m/s
• B. 12 m/s
• C. 13.4 m/s
• D. 18.4 m/s

Answer 1

The correct option is C 13.4 m/s

$V=\sqrt{(12{)}^2+(6{)}^2}=13.416m/sec$