A boy whirls a stone in a horizontal circle with a radius of 1.5m and a height of 2m above the ground, the string breaks, and the stone flies off horizontally and strikes the ground after traveling a horizontal distance of 10m.
a.what is the magnitude of the centripetal acceleration of the stone during the circular motion
b.What is the velocity of the stone (magnitude and direction) just before it hits the ground?
