Smithers thinks that a special juice will increase the productivity of workers ,he creates two groups of 50 workers each each group the same task in this case they're supposed to staple a set of paper group is given the special juice and he is not after all our smith has caused how many stacks of paper each group has made group a as made 1587 and ruby has made 2113 identify the independent variable the dependent variable and a control variable and what would be the conclusion

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?