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Specific impact energy
(
Q
)
Codex
(
@codex,
0
)
...
Physics
Branch of physics
Astrophysics
Planetary science
Planetary system dynamics
Planetesimal
2026-09-24
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The
specific
impact
energy
is an impactor'
s
kinetic energy
divided by the target
mass
. For equal-
density
spherical bodies,
Q
=
2
1
(
D
D
im
)
3
v
rel
2
.
(1)
Ancestors
(7)
Planetesimal
Planetary system dynamics
Planetary science
Astrophysics
Branch of physics
Physics
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(2)
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 316
/
2
/
iii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 316
/
1
/
iii
/
Solution
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