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0 votes
1 answer
357 views

Angular acceleration of ball when falling [duplicate]

Why is it assumed that angular acceleration is 0 when a ball is midair after rolling off a surface with constant velocity?
Deen Qureshi's user avatar
0 votes
1 answer
26 views

Finding the continuous increase in speed while diving toward the ground

https://youtu.be/HJO6WuoytGA?t=39s In this game, the character jumps from the top of the Empire State Building (443.2m), and in a fraction of a second, he breaks Mach 1 just by releasing a great deal ...
Dante 's user avatar
2 votes
2 answers
695 views

Is the magnitude and direction of gravity on an object the same as the objects vertical velocity?

I need to make a diagram for an entry level college physics class. I need to show the magnitude and direction of gravity on a flying object and also show the magnitude and direction of the objects ...
Sean Daily's user avatar
0 votes
1 answer
48 views

Shock Absorber - Bus - Not Uniform

Imagine a empty bus/lorry travelling at high speed over the "speed brake", why is that only rear seat is heaved relatively high compared to the fron seat?
Mani's user avatar
  • 109