A stone is tied to a rope is rotated in a vertical circle with uniform speed. If the difference between maximum and minimum tension in the rope is 20N, mass of the stone in kg is (g= 10 m"/"s^(2))

A stone is tied to a rope is rotated in a vertical circle with uniform

1.	A stone is tied to a rope is rotated in a vertical circle with uniform speed. If the difference between maximum and minimum tension in the rope is 20N, mass of the stone in kg is (g= 10 m"/"s^(2))
Answer» `0.75` `1.0` `1.5` `0.5` ANSWER :B