×

#### Thank you for registering.

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

Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0

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
```
A body intially at rest breaks into two pieces having mass 2M and 3M respectively together having total kinetic emergy E . the piece of mass 2M after having kinetic energy
A  body intially at rest breaks into two pieces having mass 2M and 3M  respectively together having total kinetic emergy E . the piece of mass 2M after having kinetic energy

```
3 years ago

## Answers : (1)

Arun
25768 Points
```							 let speed of 2m,3m piece be u,v respectivelyby conservation of momentum2mu=3mvu=3v/2E=1/2 (2m)u^2 + 1/2 (3m)v^2put u=3v/2E=9/4mv^2+3/2mv^2E=15/4mv^2ke of 2kg block = 1 /2 (2m)u^2=9/4mv^2=9(E/15)=3E/5
```
3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies

## Other Related Questions on Mechanics

View all Questions »

### 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