If the frame of reference is a seat on a train and the train is moving down the tracks at 65 km/h, then a passenger sitting on the train would be described as

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Answer///air resistance,drag;