badge image

Enroll For Free Now & Improve your performance.

×
User Icon
User Icon
User Icon
User Icon
User Icon

Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
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: 12

                        

Consider a system of two identical particles. One of the particles is at rest and the other has an acceleration f. The centre of mass has an acceleration 1) 0. 2) f. 3)f/2. 4) 2f. I also want to know when`s the does the centre of mass has an acceleration 0, f, f/2, 2f

4 years ago

Answers : (2)

Raman Mishra
67 Points
							
Let acm be the acceleration of the centre of mass of the two particles. Then,
                a_{cm}=\frac{m_{1}a_{1}+m_{2}a_{2}}{m_{1}+m_{2}}
Here since the particles are identical i.e, m1=m2=m(say)
          a_{cm}=\frac{m(a_{1}+a_{2})}{2m}=\frac{a_{1}+a_{2}}{2}               (1)
Taking a1=0(particle at rest) and a2= f, we get
        acm=f/2   Ans.
Also, putting the desired values of acm in eqn(1), we have:
acm =0 when a1+a= 0 ;
acm = f when a1+a= 2f;
acm = f/2 when a1+a= f and
acm = 2f when a1+a= 4f.
Hope you understood dear Sakshi.
4 years ago
Abcd
13 Points
							
[5kg]-------------[2kg]
V. Com=m1v1 + m2v2 /m1+m2
 
It is given that mass of 2 kg is at rest....
.: V. Com=5×7/7
         =5m/sec ...😊
 
one year ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

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


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