Kelvi

A shell of mass m m is at rest initially. It explodes into three fragments having mass in the ratio 2:2:1. 2 : 2: 1. If the fragments having equal mass fly off along mutually perpendicular directions with speed v, v, the speed of the third (lighter) fragment is:

medium
System of Particles and Rotational Motion
2022
physics
1. v
2. 

2v\sqrt{2}v

3. 

22v2\sqrt{2} v

4. 

32v3\sqrt{2} v

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