Jamai is playing in the arcade at six flags. at one booth, he throws a 0.5 ka ball with a velocity of 21 mis and
hits a 0.2 kg bottle sitting on a shelf. the bottle goes flying forward at 30 m/s.
a. what is the velocity of the ball after it hits the bottle?

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations