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    A 29.2 kg cart traveling at 2.29 m/s (this movement defines the positive direction) has a head on elastic collision with a 16.7 kg cart. If the final velocity of the first cart is 0.2088, what was the initial velocity of the second cart?

    m/s?

    A 41.7 kg cart traveling at 2.11 m/s (this movement defines the positive direction) has a head on elastic collision with a 6.4 kg cart. If the final velocity of the first cart is 2.2, what was the initial velocity of the second cart?

    m/s?

    A 19.9 kg cart traveling at 0.76 m/s (this movement defines the positive direction) has a head on elastic collision with a 1.8 kg cart. If the final velocity of the first cart is 0.5775, what was the initial velocity of the second cart?

    m/s?

    A 23 kg cart traveling at 1.44 m/s (this movement defines the positive direction) has a head on elastic collision with a 43.1 kg cart. If the final velocity of the first cart is 7.582, what was the initial velocity of the second cart?

    m/s?

    A 15.2 kg cart traveling at 5.19 m/s (this movement defines the positive direction) has a head on elastic collision with a 7.6 kg cart. If the final velocity of the first cart is 2.123, what was the initial velocity of the second cart?

    m/s?

    A 11.5 kg cart traveling at 6.07 m/s (this movement defines the positive direction) has a head on elastic collision with a 38.9 kg cart. If the final velocity of the first cart is -0.01198, what was the initial velocity of the second cart?

    m/s?