>>14244030>volume of pebble = volume of water ejectedMaybe at a velocity near 0 (doesn't matter what units).
>>14244009A lead pebble is going to behave differently than a granite pebble, which will behave differently than than a ice pebble, or a Styrofoam pebble.
There are such things as bad questions and you should be ashamed and learn from your shame.
