I am pretty sure the answer is C.
Is balancing .
Hope this is helpful
Answer:
I would say the answer is A... but I'm not so sure ....
Answer:
the penny will sink because it is more compressed and has less air bubbles and a stronger mass and the cork will do the exact opposite since it has less mass and more air pockets.
Explanation:
Farmula 2gh=vf²-vi²
2×0.42×9.81=0²-vi²
8.2404=vi²
Vi=✓8.2404
Vi=2.87m/sec
