# Physics

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A bead slides without friction around a loop- the-loop. The bead is released from a height of 12.9 m from the bottom of the loop-the- loop which has a radius 4 m.
The acceleration of gravity is 9.8 m/s2 . A
4m
12.9 m
What is its speed at point A ? Answer in units of m/s

• Physics -

Where is point A?

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