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Grade: 11

                        

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…………………….

9 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
							

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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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

9 years ago
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