6. Calculate the kinetic energy of a baseball thrown by Aroldis Chapman, who holds the world record for fastest pitch. The baseball has a mass of 0.145 kg and velocity of 47.0 m/s.
a. 3.40J
b. 320 J
c. 6.82 J
d. 160J

D

Explanation:

=122

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.