1.

A ball of mass 2kg and another of mass 4kg are dropped together from a 60 feet tall building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ratio of [CBSE PMT 2004]

A. \[\sqrt{2}:1\]
B. \[1:4\]
C. \[1:2\]
D. \[1:\sqrt{2}\]
Answer» D. \[1:\sqrt{2}\]


Discussion

No Comment Found

Related MCQs