A ball is pushed from a stop and rolls 6m in 2 s. Student A says the averagw spewd of the vall is m/s srudent b says the average speed of thebball os 1.5 m/s2 which student is correct

Which of these conditions most likely produces an unstable isotope?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion