All Questions
6
questions
1
vote
2
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1k
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Throwing/Dropping an Object
When we throw or drop an object while moving, do we impart it our acceleration or velocity or both?
Say i throw a ball at 5 m/s (relative to me) while at say, 30° to my direction of motion, then will ...
- 257
4
votes
2
answers
302
views
Kinetics energy with different reference frame (a fighter plane shoots a bullet)?
Suppose a plane flies at 1km/s and shoots a 2kg projectile at 1km/s, so to the Earth the projectile flies at 2km/s with 2*2*2/2 = 4MJ.
The same gun, when fixed on Earth, shoots the same 2kg ...
- 855
2
votes
3
answers
13k
views
Dropping a ball in a fast moving train
If I drop a ball in a train moving at a constant speed, will it land on the spot I aimed it at or a little away as the train has moved while it was in air? If it lands away, will the observer not know ...
- 425
7
votes
3
answers
24k
views
Ball thrown from a moving train
This is not a question about throwing a ball vertically in a moving train. I am asking what would happen if I throw a ball in a horizontally in a moving train. Assume I am facing an exit door of a ...
- 2,479
5
votes
5
answers
35k
views
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
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 ...
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