1 is b because a runs 20 and b rus 102 is c
Answer:4s^-1
Explanation:Tangential Acceleration=v^2/r=(20)²/100=400/100
Metals are dense because the molecules are tightly packed together, as opposed to non metal items where molecules are loose and separate. this is why metal is stronger than nonmetal items.
Maybe you would because you would have to get a good aim to shoot it
