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A bomb of mass 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg.The velocity of 8 kg mass is 6 m/s. The kinetic energy of the other mass is

a)

48 J

b)

32 J

c)

24 J

d)

288 J



Question ID - 100203 | SaraNextGen Top Answer

A bomb of mass 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg.The velocity of 8 kg mass is 6 m/s. The kinetic energy of the other mass is

a)

48 J

b)

32 J

c)

24 J

d)

288 J

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

By applying conservation of momentum, first find velocity of the second particle and thenfind its KE

127 votes


127