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    A 28.4 kg cart traveling at 7.91 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 7.1 kg cart traveling at 5.36 m/s. How much kinetic energy is lost in the collision?

    J?

    A 48.7 kg cart traveling at 2.96 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 9.1 kg cart traveling at -1.72 m/s. How much kinetic energy is lost in the collision?

    J?

    A 10.6 kg cart traveling at 0.93 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 31.6 kg cart traveling at 0.04 m/s. How much kinetic energy is lost in the collision?

    J?

    A 42.1 kg cart traveling at 7.48 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 5.5 kg cart traveling at 2.33 m/s. How much kinetic energy is lost in the collision?

    J?

    A 31.7 kg cart traveling at 9.84 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 5.1 kg cart traveling at 2.59 m/s. How much kinetic energy is lost in the collision?

    J?

    A 8.5 kg cart traveling at 1.33 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 10.2 kg cart traveling at 6.44 m/s. How much kinetic energy is lost in the collision?

    J?