science
Grade-11
Easy

Question

If two balls of  masses m1 and m2  are dropped on sand, the depths of penetration is the same if

  1. A heavier ball is dropped faster than a lighter ball
  2. A lighter ball is dropped faster than a heavier ball
  3. The product ‘mv’ is the same for both bodies
  4. None of these

The correct answer is: The product ‘mv’ is the same for both bodies

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