All Questions
4
questions
0
votes
1
answer
107
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CoM-and-relative velocity
In our scrip we are considering the elastic collision between two particles, one with inital velocity $\vec v$ and the other $\vec w$. We also consider that the particles have the same mass.
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- 1,398
0
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4
answers
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Why does the relative motion go wrong here?
Question statement:
A rocket is moving in a gravity free space with a constant acceleration of 2ms−2, along + x direction (see figure). The length of a chamber inside the rocket is 4 m. A ball is ...
- 1,200
1
vote
1
answer
278
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Relative velocity during a collision
I quote Resonance Kota module on Mechanics(Vol.1):
The collision is just avoided if relative velocity becomes zero just at the moment the two cars meet each other.
I don't understand why should it ...
- 11
0
votes
3
answers
62
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From the frame of reference of a colliding object, does the entire universe change direction when it bounces?
Consider three objects: a rubber ball, a spaceship, and an isolated brick wall floating serenely in the vacuum of space.
From the perspective of an observer on the spaceship, the ball is moving ...
- 103