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Past exam of the mathematics course of the University of Cambridge
/
2022
/
ia
/
Paper 4
/
9C
/
c
/
iv
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Past exam of the mathematics course of the University of Cambridge
2022
ia
Paper 4
9C
c
Created
2026-09-24
Updated
2026-09-24
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Solution
iv
Solution
0
0
0
iv
The initial
specific energy
is
E
=
2
1
u
2
−
a
2
mk
.
(1)
Escape to
infinity
is possible exactly when
E
≥
0
. Thus the
escape velocity
criterion is
∣
u
∣
≥
2
a
mk
.
(2)
Equality corresponds to marginal escape.
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c
9C
Paper 4
ia
2022
Past exam of the mathematics course of the University of Cambridge
Mathematics course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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