Remember that the upward direction is positive. Express your answer in terms of ANSWER: = Find the tension at the bottom of the circle in the string...

Remember that the upward direction is positive. Express your answer in terms of ANSWER: = Find the tension at the bottom of the circle in the string when the ball is at the bottom of the circle. Hint A.4.a What physical principle to use Apply Newton"s 2nd law in the y direction to obtain . Express your answer in terms of , , , and the speed ANSWER: = of the ball at the bottom of the circle. What is the net force in the y direction acting on the ball at the top of its circle?