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Mr. Someone
Questions (4)
A small block with mass 'm' is placed inside an inverted cone that is rotating about a vertical axis such that the time for one
1 answer
1,492 views
Is there any effect in the mass of an atom if it becomes negatively charged?
I know that atomic mass and mass number are two
1 answer
597 views
A heavy uniform bar is carried by two men on their shoulders. The weight of the bar is W. If one man lets it fall from the end
2 answers
1,302 views
A horse worth $900 is sold by A to B at 10% loss and B sells the horse back to A at 10% profit, then the result is---
A.A loss $9
6 answers
728 views
Answers (2)
The initial CP of the horse (for A) is $900 And he buys it next time at $891. How has he lost $9 here?
What I think I am doing wrong is 1st case-- A sells it to B at 10%loss i.e. at 810 Now he has lost 90$ here 2nd case B sells the horse worth $810 at 10% profit i.e around $891 So A has lost almost $81 here as well. So, how could A have lost just $9???
