A500 g ball swings in a vertical circle at the end of a 1.4-m-long string. when the ball is at the bottom of the circle, the tension in the string is 18 n.

A 500 g ball swings in a vertical circle at the end of a 1.4-m-long string. when the ball is at the bottom of the circle, the tension in the string is 18 n.

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

real, smaller and upside-down.   so the answer should be b.