# Problem 9.45 An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.2 times the mass of the other.

Problem 9.45

An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.2 times the mass of the other.

Part A

If 9500 J

is released in the explosion, how much kinetic energy does each piece acquire?

Express your answers using two significant figures separated by a comma.

ΔK lighter,ΔKheavier =

i got the answer which is 4300 and 5200, but it said i am wrong.

can somebody show the work and give me the answer ?

Energy released during theexplosion E=9500 JMass of the first fragment m1=m Mass of the second fragment m2=1.2 mUsing the law of conservation of linear momentum , 0=m1 v 1 +m2 v 20=m1 v 1…

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