Physics
What is the range of Strong Nuclear force?

Very short Nuclear size
Very short Subnuclear size
None
Infinite

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Physics
A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps

The ball will travel towards the center of the circle and fall down
It will fall down at the same place where the string breaks
It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
None of these

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