Question

Rain falls in the downward direction with velocity 4 km/h. A man is walking
on a straight road with velocity 3 km/h. The apprent velocity of rain relative to
this man is
(A) 3 km h-
(B) 4 km -
(C) 5 km h-
(D) 7 km h-
​

Answer 1

Answer:

5

Explanation:

Must be 5.

$3^{2}$+$4^{2}$=$\sqrt{x}$

16+9 = $\sqrt{25}$

$\sqrt{25}$=5