MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 6
        
A satellite S is moving in an elliptical orbit around the earth The mass of the satellite is very small compared to the mass of the earth.
 
(a) The acceleration of S is always directed towards the centre of the earth.
(b) The angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant.
(c) The total mechanical energy of S varies periodically with time.
(d) The linear momentum of S remains constant in magnitude.
3 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
474 Points
							

(a,b,) For r > R, the gravitational field is F = GM / r2

? F1 = GM/r21 and F2 GM / r22 ? F1/F2 = r22 / r21

For r < R, the gravitational field F = GM/R3 x r

? F1 = GM/R3 x r1 and F2 = GM/R3 x r2

? F1/F2 = r1 / r2

3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete Physics Course - Class 12
  • OFFERED PRICE: Rs. 2,756
  • View Details


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


  • Complete Physics Course - Class 11
  • OFFERED PRICE: Rs. 2,968
  • View Details

Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details