Flag Discuss with colleagues and IITians> question...
question mark

if a planet were suddenly stopped in its circular orbit .show that it would fail into the sun in a time (T*sq.rt.of 2 /8) where T is time of revolution.

shweta naik , 14 Years ago
Grade
anser 1 Answers
Arun
Let, radius of planetary orbit :- r
Time taken to reach sun :- t
Time period of revolution = T
We considered the planet to reach the sun is an elliptical path with time period 2t 
 =T 
 
T
 
​ 
 =( 
r
 
​ 
 ) 
3/2
 [r 
 = 
2
r
​ 
 ]
 =T( 
2
1
​ 
 ) 
3/2
 
 =T( 
2
1
​ 
 ) 
3/2
 
 =T( 
2
1
​ 
 ) 
3/2
 × 
2
1
​ 
 
∴t 
 = 
8
2
​ 
 
​ 
 T
Last Activity: 5 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments