query: Ball thrown in a moving train
positive_passages.docid: 32338
positive_passages.text: A Basic Question about Gravity, Inertia or Momentum or something along those lines
negative_passages.docid: 67931
negative_passages.text: Terminal velocity of a steel ball in water
negative_passages.docid: 109786
negative_passages.text: Can a human size object move so fast that it ceases to be observable?
negative_passages.docid: 153331
negative_passages.text: Bernoulli's principle on a curve ball
negative_passages.docid: 97770
negative_passages.text: Sphere rolling up a step
negative_passages.docid: 109172
negative_passages.text: The direction of frictional force in smooth rolling motion
negative_passages.docid: 144455
negative_passages.text: Why isn't the acceleration at the top point of a ball’s journey zero?
negative_passages.docid: 124246
negative_passages.text: What happens if the ball is bounced into the basket?
negative_passages.docid: 115536
negative_passages.text: Two balls falling one above the other
negative_passages.docid: 43558
negative_passages.text: what about a switch bowling action
negative_passages.docid: 47084
negative_passages.text: Number of times the ball bounces back when dropped from a building of height h
negative_passages.docid: 9545
negative_passages.text: Closed ball is not compact
negative_passages.docid: 80236
negative_passages.text: Any ball is connected?
negative_passages.docid: 34400
negative_passages.text: Special Relativity - Regarding the Simultaneity of Events During the Train Paradox
negative_passages.docid: 32242
negative_passages.text: A spinning bullet
negative_passages.docid: 84235
negative_passages.text: If we threw a baseball from the ISS, could we deorbit the ball?
negative_passages.docid: 102228
negative_passages.text: Direction of friction for object that rolls with slipping