All Questions
6
questions
3
votes
1
answer
267
views
Does something similar to a gravitation impulse exist?
Let there be a block of mass $M$ sitting on top of a table. there is a hole in the table right under the center of mass of the block.
A bullet of mass $m$ is shot through this hole and it hits the ...
- 629
0
votes
2
answers
78
views
Dropping a skyscraper (hypothetical question)
This is hypothetical question: imagine a tall skyscraper says 1000m tall is lifted by a nign indestructible cables attached only at the top of the building. When the cable is released what happens? ...
- 13k
6
votes
7
answers
2k
views
Why do elastic balls bounce?
Can someone please explain the process of a ball bouncing in terms of Forces?
First, it doesn't make sense to say that the normal force is greater than that of the upwards force. When the ball hits ...
- 183
-1
votes
1
answer
146
views
What does it mean empirically if a bouncing ball's frequency depends on height? [closed]
What does it mean empirically if a bouncing ball's frequency depends on height?
That the trajectory's curvature will vary based on height?
I.e. we have a bouncing ball equation, where the ball's ...
- 459
-1
votes
1
answer
3k
views
How to calculate height of a bouncing ball? [duplicate]
I'm wanting to create a basic physics engine for a Computing project, simulating the behaviour of a bouncing ball.
What equations and forces do I need to incorporate to calculate the height a ball ...
- 271
0
votes
3
answers
20k
views
Kinematics of bouncing ball
If we model the motion of a bouncing ball on a velocity time graph, neglecting air resistance, we get a line with gradient -9.8 as the ball falls , and then a steep positive gradient line when the ...
- 11