A bomb of mass 3.0 π‘˜π‘” explodes in air into two pieces of masses 2.0 π‘˜π‘” and 1.0 π‘˜π‘”. The smaller mass goes at a speed of 80 π‘š/𝑠. The total energy imparted to the two fragments is

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Physics Problems

Question: A bomb of mass 3.0 π‘˜π‘” explodes in air into two pieces of masses 2.0 π‘˜π‘” and 1.0 π‘˜π‘”. The smaller mass goes at a speed of 80 π‘š/𝑠. The total energy imparted to the two fragments is

(A) 1.07 π‘˜π½

(B) 2.14 π‘˜π½

(C) 2.4 π‘˜π½

(D) 4.8 π‘˜π½

Answer: Option (D)

Solution:

A bomb of mass 3.0 π‘˜π‘” explodes in air into two pieces of masses 2.0 π‘˜π‘” and 1.0 π‘˜π‘”. The smaller mass goes at a speed of 80 π‘š/𝑠. The total energy imparted to the two fragments is
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