Question: A boat at anchor is rocked by waves whose crests are 40 m apart and whose speed is 10 m/s these waves reach h?

(Posted by: Cassandra M on 2009-08-12 13:08:02)

These waves reach the boat once every ___seconds? a. 0.25 b.4 c.30 d.400

Posted by: Susu on 2009-08-13, 19:27:51

The answer is b. its quiet simple t= L/ v= 40/ 10= 4s that the answer B.