Hey guys, so I have a project on the pH meter. Basically on what it is, what it's used for, how it works, and what principles does it run on. It is a group project but we can't seem to figure out some points and we've become very confused!
Mainly, it's how it works. We researched and...
That the buoyancy force is equal or more than the force exerted by the swimmer and the raft together and afterwards when the swimmer jumps off and only the raft floats and the swimmer is submerged into the water when he jumps off? :S
Alright this may be a simple and stupid question but I'm still not sure of what the answer might be :( So I hope you guys can help me out a little. =]
Question:
A swimmer dives off a raft in a pool. Does the raft rise or sink in the water? What happens to the water level in the pool? Give...