JEE Main 2022 Physics question
A body of mass M at rest explodes into three pieces, in the ratio of masses 1 : 1 : 2. Two smaller pieces fly off perpendicular to each other with velocities of 30 and 40 respectively. The velocity of the third piece will be
Answer: (2)
Solution
Let the masses be m, m and 2m. By conservation of momentum, \hat{i}\hat{j}$) + 2m
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