MY CART (5)

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price:

There are no items in this cart.
Continue Shopping
                   

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.

3 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

3 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. 

3 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
A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 25...
 
 
I don't think that converting to radians will really help you. If you wanted to convert to radians, know that there are π radians in 180 degrees, so make a ratio: π/180 = x/25 solve for x:...
 
vikas yadav 2 months ago
 
continue............ Now add the numerators: tan(25) = x / [(1792 tan(28) + x) / tan(28)] Now turn the division of fractions on the right side to a multiplication of fractions using...
 
vikas yadav 2 months ago
 
continue..................... so we can set up two tangent functions: tan(x) = opp/adj tan(25) = x / (1792 + y) tan(28) = x / y Now we have a system of equations. Let's solve for the second...
 
vikas yadav 2 months ago
Hello,I have cracked JEE MAIN with 100 marks. I am expecting to get around 97% in +2(Tamil Nadu Board). Will I able to get NIT with computer Science Department. And tell me about preparation...
 
 
The best book will be previous years. Buy the arihant previous years questions and it will benefit u for sure
 
Mantavya one month ago
 
It is very difficult for u to get computer science in nit.
 
Mantavya one month ago
If a bag contains 15 marbles, 3 yellow, 4 white, and 8 blue marbles, how many samples of 2 can be drawn in which both marbles are blue?
 
 
The question is "how many samples of 2 can be drawn in which both marbles are blue?" The question is not "what is the probability." We are also not counting any draw in which either one or...
 
TEJKIRAT SINGH 2 months ago
 
The question is "how many samples of 2 can be drawn in which both marbles are blue?" The question is not "what is the probability." We are also not counting any draw in which either one or...
 
vikas yadav 2 months ago
 
thankyou
 
Akansha 2 months ago
Question is attached in the image (ALTS-7 Q4)
 
 
Split the components of force acting along vertically and horizontally. Force acting horizontally, Electrostatic repulsion with a new constant of dielectric cnstant and component of tension....
  img
Saurabh Kumar 2 months ago
Rank for 327 in JEE ADV
 
 
ur estimated rank is around 800-1000 congrats u will get good iit with good stream but just wait for official cut off approve if useful
 
ng29 3 days ago
 
go through the link:- rankpredictor.fiitjee-ftre.com/JEEAdvanced2015.aspx
 
Brijesh sanwariya 3 days ago
what is the difference between enthalpy and latent heat??? are they same??
 
 
Enthalpy and latent heat are simply related. The latent heat of va- porization Lv is defined as the difference in enthalpy between a fixed mass of vapor and the same mass of liquid. That is...
  img
Yash Baheti 8 months ago
 
Enthalpy and latent heat are simply related. The latent heat of va- porization Lv is defined as the difference in enthalpy between a fixed mass of vapor and the same mass of liquid. That is...
  img
Yash Baheti 8 months ago
View all Questions »