You drop a rock off a high cliff to the sea below. When the rock is several metres below you, you drop a second rock from the same location. Before the rocks hit the sea, which of the following is true?

A) The separation (distance) between the rocks will decrease as they fall.

B) The separation (distance) between the rocks will stay the same as they fall.

C) The separation (distance) between the rocks will increase as they fall.

D)It's impossible to say anything about the distance between the rocks without more details.

Question

You drop a rock off a high cliff to the sea below. When the rock is several metres below you, you drop a second rock from the same location. Before the rocks hit the sea, which of the following is true?

A) The separation (distance) between the rocks will decrease as they fall.

B) The separation (distance) between the rocks will stay the same as they fall.

C) The separation (distance) between the rocks will increase as they fall.

D)It's impossible to say anything about the distance between the rocks without more details.

poofypenguin · Answer

ok... could you please explain?

anonymous · Answer

It will increase and then remain constant. The stone dropped first will gain a lead, but finally both will attain a constant terminal velocity, so the distance will stop increasing after some time.

poofypenguin · Answer

Ok! Thank you! :)