Question

A cruise ship is sailing straight towards an island at an speed of 30 metres per second.it sounds the horn when it is 600 metres away from the island.calculate the time taken by the ship to hear an echo.(take the speed of sound as 300 metres per second) a) 1.82 sec b) 2.22 sec c) 3.64 sec d) 4.00 sec

Answer 1