# A body of mass m moving with velocity v collides head on with another body of mass 2m which is initially at rest. the ratio of K.E. of colliding body before and after collision will be

Options :
1. 1:1
2. 2:1
3. 4:1
4. 9:1

Explanation:

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The book was turned to the page with Anne Frank's name, but what got me about it was the fact that right beneath her name there were four Aron Franks. FOUR. Four Aron Franks without museums, without historical markers, without anyone to mourn them. I silently resolved to remember and pray for the four Aron Franks as long as I was around.
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