science
Grade-11
Easy

Question

A cart with a mass of 2kg traveling at 6 m s–1 collides with another cart of mass 1kg
traveling in the same direction at 2 m s–1. It bounces off, as shown in Figure4. After impact, the 2kg cart travels at 3 m s–1 in the same direction. Calculate the velocity of the 1kg cart after the collision.

  1. 1.4 m/s
  2. 0m/s
  3. 8 m/s
  4. none

The correct answer is: 8 m/s

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