A satellite of mass m is orbiting the earth in a circular orbit of radius r.It starts loosing energy due to air resistance at the rate of C J\s.Then what time taken by the satelite to reach the earth.

2 years ago

Share

Answers : (2)

                                        

initial energy= -GmM/2r, M is mass of earth,


let a be radius of earth


satellite will reach earth when its energy reduces to -GmM/2a

2 years ago
                                        

Then answer is -(GMm/C) (1/r-1/R) = t Where M ans R r the respective mass and radius of the Earth. 

2 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
sir i have paid the amount on jeeadv site by credit card but there was no acknowledgement page.now what should i upload in dd/neft/rtgs/ challan copypls tell
 
 
many have not received the acknowledgment But if you visit the site and login it shows in green colour confirmation that payment is made as also the details mentioned (this happens about 5-6...
 
Subhash Shanbhag 4 months ago
 
many have not received the acknowledgment But if you visit the site and login it shows in green colour confirmation that payment is made as also the details mentioned (this happens about 5-6...
 
Subhash Shanbhag 4 months ago
 
many have not received the acknowledgment But if you visit the site and login it shows in green colour confirmation that payment is made as also the details mentioned (this happens about 5-6...
 
Subhash Shanbhag 4 months ago
In how many ways we can select 5 cards from a deck from 52 cards, if each selection must include atleast one king?
 
 
As there are 4 cardd of king in the set of 52 cards. total ways of selection of 5 cards from the deck = 52C 5 case-I. If we select all the 4 king in the selection so the number of...
  img
Naveen Kumar 23 days ago
Sir, I am a student of computer science & engineering. I have completed my 1st year. You know that, the coming future for IT workers is not so good as before. Now in this situation, my...
 
 
Hi The IT sector is still on a rise, although the rise is not at the same pace. Today also, IT sector is one of the desired career options. about ur ques regarding the M Tech preparation ,...
 
AskiitianExpert Shine 5 years ago
Sir bit mesra chemical engg plastic and polymer or nit silchar electronics and instrumentation
 
 
Electronics and instrumentation nit silchar....
 
Pranjal K 4 months ago
I am a class 10th student of D.P.S Ranchi.I would like to know which among the is better for me.I am a good student getting always around 94-95% marks.Please help me!
 
 
dth:95%;"> well if u r so good then u sud go wid fiitjee or even vidyamandir as they have a high level which is required to crack iitjee
 
jaskrit kohli singh 4 years ago
View all Questions »