Question

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



(a) Heavier ball is dropped faster than lighter ball

(b) Lighter ball is dropped faster than heavier ball

(c) The product 'mv' is same for both bodies

(d) None of these

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Answer 1

Question

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

(a) Heavier ball is dropped faster than lighter ball

(b) Lighter ball is dropped faster than heavier ball

(c) The product 'mv' is same for both bodies

(d) None of these

-------Answer-----------

(c) The product 'mv' is same for both the bodies.

Reason-----

Because mass of both the bodies is same and they were dropped from the same height so the velocity will be same.

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Answer 2

Answer:

Question :-

If two balls of same masses are dropped on sand, the depths of penetration is same if :-

(a) Heavier ball is dropped faster than lighter ball

(b) Lighter ball is dropped faster than heavier ball

(c) The product 'mv' is same for both bodies

(d) None of these

ANSWER :-

Option c , will be the answer .

Explanation: