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6
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Find the minimum value of velocity [closed]
Find the minimum value of the initial velocity $u$ of the particle such that the particle crosses the wheel of radius $R$.
Details and assumptions
$R=2m$
$g=9.8m/s^2$
Neglect air resistance.
All ...
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0
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1
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Missing centrifugal acceleration
I am trying to get correct equations for acceleration of a point in reference frame A, given position, velocity and acceleration in rotating reference frame B.
Let $\mathbf{x}_A(t)$, $\mathbf{v}_A(t)$...
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18
votes
5
answers
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Does the mass point move?
There is a question regarding basic physical understanding. Assume you have a mass point (or just a ball if you like) that is constrained on a line. You know that at $t=0$ its position is $0$, i.e., $...
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5
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2
answers
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The Double Integrator: Matching velocity and position as quickly as possible with only a limited amount of force available
If a body with mass $m$ begins at position $x_0$ with velocity $v_0$ and experiences a force that varies as a function of time $f(t)$ (and we ignore gravity, friction, and everything else that might ...
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1
vote
0
answers
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One dimensional motion with changing acceleration. Falling to a large body from a great distance [duplicate]
Possible Duplicate:
Radial fall in a Newtonian gravitational field
My math and physics are rusty. I am trying to calculate the time an object takes to fall to a large body. Before you answer $1/...
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