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    A 21.2 kg cart traveling at 5.02 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 34.5 kg cart traveling at 7.28 m/s. How much kinetic energy is lost in the collision?

    J?

    A 25.9 kg cart traveling at 5.93 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 37.2 kg cart traveling at -2.24 m/s. How much kinetic energy is lost in the collision?

    J?

    A 15.7 kg cart traveling at 2.99 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 22.2 kg cart traveling at -1.84 m/s. How much kinetic energy is lost in the collision?

    J?

    A 24.9 kg cart traveling at 3.5 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 12.9 kg cart traveling at 6.48 m/s. How much kinetic energy is lost in the collision?

    J?

    A 29 kg cart traveling at 2.5 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 10.3 kg cart traveling at -1.59 m/s. How much kinetic energy is lost in the collision?

    J?

    A 49.2 kg cart traveling at 4.72 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 48.5 kg cart traveling at 1.75 m/s. How much kinetic energy is lost in the collision?

    J?