manny8102 manny8102 09-01-2024 Physics contestada The breaking strength of a string is 55 kg wt. The maximum permissible speed of a stone of mass 5 kg which is revolved in a vertical circle of radius 4 m with the help of this string is (g=10m/s²):A. 10 m/secB. 15 m/secC. 20 m/secD. 25 m/sec