The red 10 kg ball on the left rolls +5 m/s to the right. The blue 10 kg ball on the right rolls at -3 m/s to the left. They have a head on collision.

After the collision, the red ball has a velocity of -3.47 m/s.

After the collision, what is the velocity of the blue ball?

According to the tide table below what time of day will the highest tide occur?

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

What type of nuclear decay causes the atomic number of an element to increase by 1?