9th Grade HW

4.A train moving at a velocity of 15 m/s is accelerated to 24 m/s over a 12 second period. 5. A plane starting from rest is accelerated to its takeoff velocity of 75 m/s during a 5 second period. 6. A ball rolling down a hill for 9 seconds accelerates from 3 m/s to 34.5 m/s