All Questions
3
questions
0
votes
1
answer
174
views
Inertia of an elevator
Imagine a situation where we have a relatively light empty elevator moving up at a pretty high constant velocity say something above $10\ m/s$, just so that it has a considerable amount of momentum ...
12
votes
1
answer
6k
views
How does this magnetic toy work?
A nephew of mine has this toy called "Gravitrax". It is basically a track building kit - you can build various tracks for iron balls which go through the track thanks to gravity.
However, there is ...
1
vote
5
answers
473
views
Calculating relative distance covered
Two balls 'A' and 'B' are thrown vertically upwards with the same velocity. The mass of A is greater than that of B. We need to find which of the balls reaches a greater height (assuming the effect of ...