Aball of mass 0.16 kg is moving forwards at a speed of 0.50 m/s. a second ball of mass 0.10kg is stationary. the first ball strikes the second ball. the second ball moves forwards at a speed of
0.50 m/s.
what is the speed of the first ball after the collision?

Ivana walks 2km north then turns around and walks 3km south

Which factor listed below most likely results in the loss of genetic variation from small populations? question 2 options: mutation migration genetic recombination genetic drift

Consider lifting a box of mass m to a height h using two different methods: lifting the box directly or lifting the box using a pulley (as in the previous part). what is wd/wp, the ratio of the work done lifting the box directly to the work done lifting the box with a pulley?