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jaksa's latest activity
J
jaksa
replied to the thread
Find at what rate the orbit radius will grow
.
I got ##F=0.3849 \cdot F_{0}## and the approach from my first post gave me formula of: $$\dot{R} = \frac {2 \cdot 0.3849 \cdot F_{0}...
Apr 30, 2024
J
jaksa
replied to the thread
Find at what rate the orbit radius will grow
.
With canted at an angle sail I have: The formula for F: $$F = F_{0} \cdot cos^2(\alpha),$$ tangential component: $$F_{t} = F_{0} \cdot...
Apr 25, 2024
J
jaksa
replied to the thread
Find at what rate the orbit radius will grow
.
There was a hint in the problem: "Maximize the power transferred to the spacecraft by radiation pressure." I also assumed that the sail...
Apr 23, 2024
J
jaksa
replied to the thread
Find at what rate the orbit radius will grow
.
I wrongly assumed that total energy at ##R## will be of form ##E_{total} = - \frac {GMm} {2R}##. With solar sail the orbit will no...
Apr 22, 2024
J
jaksa
posted the thread
Find at what rate the orbit radius will grow
in
Introductory Physics Homework Help
.
In order to change the radius, additional energy is required, the total energy of mass m on a circular orbit is given by: $$E_{total} =...
Apr 21, 2024
J
jaksa
posted the thread
Hello from physics graduate!
in
New Member Introductions
.
Some time after my PhD I decided to study physics (again) on my own and with my own (maybe bit slow) pace. I do not work in the field...
Apr 18, 2024
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