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A shell of mass 10kg flying horizontally with a velocity of 36kmph explodes in air into two fragments . The larger fragment has a velocity of 25ms -1 and directed in the same direction as the initial velocity of the shell. The smaller fragment has a velocity of 12.5ms -2 in the opposite direction . find the masses of the fragments…………………….

A   shell of mass 10kg flying horizontally with a velocity  of 36kmph  explodes  in air into two  fragments .


The larger   fragment   has   a velocity  of 25ms-1 and directed  in the same direction as the initial velocity of the  shell. The smaller fragment  has a  velocity  of  12.5ms-2in the opposite  direction  .      find the masses   of the fragments…………………….

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

Apply conservation of momentum

m1u1=m1v1+m2v2

Apply conservation of energy

1/2mu1^2=1/2m1v1^2+1/2m2v2^2

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Sagar Singh

B.Tech, IIT Delhi

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