In a Tsunami, the entire ocean, participate in the wave motion, For such waves, the wave speed is given by v=`sqrt(gh)` where g is the acceleration due to gravity and h=3.0 km is the depth of the ocean surface. A Tsunami has been detected at a point 250 km from the shore. How much time would it take to reach the shore?

Options

A. 2.2 hours
B. 1 hour
C. 24.3 minutes
D. 6 minutes

Answer

C