Asked by Angela

A rock is dropped from a sea cliff 400m high.If the speed of sound is a constant 330 m/s, how long after the rock is dropped is the sound of the splash heard at the top of the cliff?

Answers

Answered by bobpursley
break the total sound into two parts:
1) time for the rock to hit the surface.

h=ho-4.9t^2
t= sqrt(400/4.9) check that.

2) time for the sound to go 400m
t= 400/343

check that

add the two times.
Answered by Angela
^acceleration is 9.8 as well. and wheres 343 from ?
Answered by Bobalobadingdong
Shut up
Answered by Anonymous
i tihnk that's a typo
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions