Question

"If two balls of same masses are dropped on sand , the depth of penetration is same"
In what condition this statement is applicable?

1. Heavier ball is dropped faster than lighter ball
2. lighter ball is dropped faster than heavier ball
3. the product of "mv" is same for both bodies
4. none of these
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Answer 1

3) product of mv is same for both bodies

Answer 2

3. The product of "mv" is same for both bodies