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AP and TS EAMCET Medical Model Paper 9 with solutions for online practice
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© examsnet.com
Question : 89
Total: 159
Speed of a planet in an elliptical orbit with semi major axis a about sun of mass M at a distance r from sun is
√
G
M
(
2
r
−
1
a
)
√
G
M
(
1
r
−
1
a
)
√
G
M
(
1
r
−
2
a
)
√
G
M
r
2
a
2
Validate
Solution:
K
E
+
P
E
=
T
E
1
2
m
V
2
−
G
m
M
r
=
−
G
m
M
2
a
m
V
2
2
=
G
m
M
[
1
r
−
1
2
a
]
V
=
√
G
M
[
2
r
−
1
a
]
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