A 0.16 kg pool ball sliding to the right at 8.0 m/s has an elastic head-on collision with another 0.16 kg pool ball initially at rest. If the first ball stops after the collision, what is the velocity of the second pool ball after the collision?

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

What are similarities and differences between refraction, reflection, diffraction and absorption?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.