How to calculate distance object traveled in completely inelastic collision?

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SUMMARY

The discussion centers on calculating the distance traveled by an object in a completely inelastic collision involving a 5 kg mass impacting a 7 kg ball at a velocity of 8 m/s. The key point is that the distance traveled post-collision is contingent upon the height from which the collision occurs, as the problem lacks sufficient information to determine the distance without this variable. The participants express frustration over the incomplete problem statement, highlighting the need for clarity in physics problems.

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  • Basic principles of momentum conservation
  • Knowledge of kinematic equations
  • Familiarity with gravitational effects on falling objects
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pebbles
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Ok, so I have this practice problem: a mass of 5 kg has hit a ball at 8 m/s. The ball it hit has a mass of 7 kg. What is the distance the ball traveled?


It's really frustrating when my notes don't go over ANY of this.
 
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Are you sure that's the entire problem statement? It doesn't make much sense as it is.
Distance traveled as in: how far from the moment of impact till it hits the ground? That would depend on the height at which the collision took place.
 

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