A squid with an initial mass of 5.05 kg is initially at rest when it ejects 0.26 kg of fluid with a velocity of 11.5 m/s. The ejection is done in 0.085 s and there is a 5.1-N frictional force opposing the squid's movement. Use a coordinate system in which the ink is moving in the positive direction.

1)What is the difference in kinetic energy, in joules, between the case when there is no friction and the case where there is friction?

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