Answer :
The initial energy was lost in collision of a 2350 kg shark moves upward toward a 195 kg fish that is at rest and swallows it whole = 95.33 Joules.
Perfectly inelastic collisions, in contrast to elastic collisions, conserve momentum but not energy. The kinetic energy carried by the moving objects is not always conserved, even though the system's overall energy is always constant. Energy lost to the environment and converted into other forms, such heat, during an inelastic collision.
To determine the energy lost in collision, use the equation:
E = ½ (m1m2) / (m1 + m2) x v²
Where:
m 1 = mass of the object 1
m 2 = mass of the object 2
v 1 = velocity /speed of the object 1
v 2 = velocity / speed of the object 2
v 1 = v2
Hence,
E = ½ (2350 x 195) / (2350 + 195)
= ½ (485250) / (2545)
= 95.33 Joules.
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