please don't use any public sources. I just need it asap thank you.

A baseball is pitched at 40 m/s in a Major League game. [the barter hits the ball on a line drive straight toward the pitcher at 50 m/'s . Determine the acceleration of the ball if it was in contact with the bar for 130 - A train moves from rest to a speed of 25 m/'s in 30 0 seconds. What is its acceleration? train going 30 mrs hits the brakes, and it takeside train 1 minute 75 scconds to stop, what is the train's A rollercoaster Is moving at 75 mys at the bottom of a hill Four minutes later it reaches the top of the hill it was the boceleration of the concert Flybet is the final velocity and speed of the boat after