a rock is dropped from a sea cliff and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff?

1 Answer | Add Yours

jeew-m's profile pic

jeew-m | College Teacher | (Level 1) Educator Emeritus

Posted on

The sound of the rock dropped to sea was heard 3.2 later after dropping it. The velocity of sound is 340m/s.

The distance sound travels during 3.2s is `340xx3.2 = 1088m` .

So the height of the cliff is the time that sound takes to travel during the 3.2s. So the answer is 1088m.

We’ve answered 318,917 questions. We can answer yours, too.

Ask a question