All Questions
Tagged with relative-motion newtonian-mechanics
200
questions
5
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5
answers
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Will a ball thrown straight up in a train land in same spot (in real world)?
I have a question that came up in a discussion with friends. If I throw a ball straight up in an enclosed train car moving with constant velocity, I believe the basic physics books say it will land ...
- 225
2
votes
3
answers
343
views
A question on Galilean Relativity
In a test I took recently in my beginning Physics class there was a question that really irked me:
A man is swimming upstream at 10 mph. The water is flowing downstream at 5 mph.
How fast is the man ...
- 33
7
votes
4
answers
3k
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A Basic Question about Gravity, Inertia or Momentum or something along those lines
Why is it that if I'm sitting on a seat on a bus or train and its moving quite fast, I am able to throw something in the air and easily catch it? Why is it that I haven't moved 'past' the thing during ...
- 329
2
votes
3
answers
6k
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What happens to an astronaut who's floating in a spaceship (in space) when it begins to move?
I feel this is somehow a stupid question, but I don't know the true answer. What happens to an astronaut who's floating in a spaceship in space when it begins to move? Will the astronaut not move ...
- 309
103
votes
7
answers
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Why does the atmosphere rotate along with the earth?
I was reading somewhere about a really cheap way of travelling: using balloons to get ourselves away from the surface of the earth. The idea held that because the earth rotates, we should be able to ...
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