Two stories about flying|part-3

Class 10 English | First Flight - Two Stories About Flying | Important Questions | CBSE Boards Revision

About The Author|Textbook Reading Part-1|Words Part-1|Textbook Reading Part-2|Words Part-2|Textbook Reading Part-3|Words Part-3

A body at rest breaks up into 3 parts. If 2 parts having equal masses fly off perpendicularly each after with a velocity of 12 m//s when the velocity of the third part which has 3 times mass of each part is