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xyge
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1. Problem Statement
Assume there is an rigid object with mass m in 2D space, an impulse J = FΔt is applied at time t1 at the particle Pimp and Pimp is on the exterior boundary of the object. The impulse cause a free plane motion of the object and the object is only affected by the force of the gravity. Here I am interested in what is the position of a particular particle Pi of the object at a later time point t2.
2-3. Relevant Equations and The Attempt at a Solution
I developed a equation for this but not sure whether it is correct:
\begin{equation}p_i(t_2) = p_i(t_1) + \int_{t_1}^{t_2} v^\prime + \omega^\prime \times (p_i(t) - p_r(t)) + \mathbf{a} t \,dt\end{equation}
where:
\begin{equation} v^\prime = v_0 + J/ m
\\
\omega^\prime = \omega_0 + I^{-1} \tau
\\
\tau = (p_{imp}(t_1) - p_{r}(t_1)) \times J
\\
\mathbf{a} = F/m + \tau / I \times (p_i(t) - p_r(t)) - \omega_0^2(p_i(t) - p_r(t))
\end{equation}
v0 and ω0 are the initial linear velocity and angular velocity respectively.
pr refers to the position of the particle around which the object rotates.
is the equation correct? It is not a homework but related to my research. I am from computer science and do not have enough physics. Please help..
Assume there is an rigid object with mass m in 2D space, an impulse J = FΔt is applied at time t1 at the particle Pimp and Pimp is on the exterior boundary of the object. The impulse cause a free plane motion of the object and the object is only affected by the force of the gravity. Here I am interested in what is the position of a particular particle Pi of the object at a later time point t2.
2-3. Relevant Equations and The Attempt at a Solution
I developed a equation for this but not sure whether it is correct:
\begin{equation}p_i(t_2) = p_i(t_1) + \int_{t_1}^{t_2} v^\prime + \omega^\prime \times (p_i(t) - p_r(t)) + \mathbf{a} t \,dt\end{equation}
where:
\begin{equation} v^\prime = v_0 + J/ m
\\
\omega^\prime = \omega_0 + I^{-1} \tau
\\
\tau = (p_{imp}(t_1) - p_{r}(t_1)) \times J
\\
\mathbf{a} = F/m + \tau / I \times (p_i(t) - p_r(t)) - \omega_0^2(p_i(t) - p_r(t))
\end{equation}
v0 and ω0 are the initial linear velocity and angular velocity respectively.
pr refers to the position of the particle around which the object rotates.
is the equation correct? It is not a homework but related to my research. I am from computer science and do not have enough physics. Please help..
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