MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
jauneet singh Grade: 12
        if we hav to brought a mass from infinitey to the vertices of equaterial triangle minimun work done by ext agent is????

we hav a mass of 1kg at each vertices and each side is 0.1m long
7 years ago

Answers : (1)

Askiitians Expert Bharath-IITD
23 Points
										

Dear Jauneet,


The Work done for bringing the masses from infinity to the vertices of the euilateral triangle is nothing but sum of potential energies of


1. The first mass which is zero because there is no other mass.


2. Second mass is the potential energy between the first mass and the present one


U12= -G m2/r where r is the of the equilateral triangle.


3. Third mass (i) withrespect to the first mass U13 = -G m2/r


                    (ii) withrepect to the second mass U23 = -G m2/r


Thus the total work done is given by W = UT = U12 + U13 + U23 = - 3* G m2/r = 20.022 * 10-9


Please feel free to post as many doubts on our discussion forum as you can. If you find any question
Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We
are all IITians and here to help you in your IIT JEE preparation.



All the best !!!


 



Regards,


Askiitians Experts


Adapa Bharath

7 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete Physics Course - Class 12
  • OFFERED PRICE: R 2,600
  • View Details
Get extra R 2,500 off
USE CODE: SSP11
  • Complete Physics Course - Class 11
  • OFFERED PRICE: R 2,800
  • View Details
Get extra R 2,500 off
USE CODE: SSP11

Ask Experts

Have any Question? Ask Experts

Post Question

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