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
1 answer
Where is point A?