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    A 39.3 kg cart traveling at 3.15 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 39.8 kg cart. The joined cart travels with a velocity of 0.609 m/s. What was the velocity of the second cart prior to the collision?

    m/s?

    A 37.1 kg cart traveling at 5.05 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 12.7 kg cart. The joined cart travels with a velocity of 3.703 m/s. What was the velocity of the second cart prior to the collision?

    m/s?

    A 44.2 kg cart traveling at 0.38 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 5.7 kg cart. The joined cart travels with a velocity of 0.6084 m/s. What was the velocity of the second cart prior to the collision?

    m/s?

    A 42.7 kg cart traveling at 8.99 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 2 kg cart. The joined cart travels with a velocity of 8.594 m/s. What was the velocity of the second cart prior to the collision?

    m/s?

    A 38.2 kg cart traveling at 8.81 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 34.7 kg cart. The joined cart travels with a velocity of 8.015 m/s. What was the velocity of the second cart prior to the collision?

    m/s?

    A 30.9 kg cart traveling at 9.58 m/s (this movement defines the positive direction) has a head on perfectly inelastic collision with a 46.5 kg cart. The joined cart travels with a velocity of 6.179 m/s. What was the velocity of the second cart prior to the collision?

    m/s?