Conservation of linear momentum and applications

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• A shell of mass m is at rest initially. It explodes into three fragments having mass in the ratio 2 : 2 : 1. If the fragments having equal mass fly off along mutually perpendicular directions with speed v, the speed of the third (lighter) fragment is… Answer: 4. 2√(2) v The shell is at rest, so total momentum after explosion is zero. Masses are 2m/5,\ 2m/5 and m/5 . The two equal fragments... Conservation of linear momentum and applications 1 answer