coroneus4969 coroneus4969
  • 14-03-2024
  • Physics
contestada

Our boxcar 1 moves to the right at speed v1 = 5.4 m/s. As part of the group of three boxcars, moving off at speed vnew to the right, boxcar 1 has slowed down. This means that _________
a. It has gained mass
b. It has lost mass
c. It has gained momentum
d. It has lost momentum

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