A bob of mass 100g tied at the end of a string of length 50cm is revolved in a vertical circle with a constant speed of 1ms^(-1). When the tension in the string is 0.7N, the angle made by the string with the vertical is (g= 10 ms^(-2))

A bob of mass 100g tied at the end of a string of length 50cm is revol

1.	A bob of mass 100g tied at the end of a string of length 50cm is revolved in a vertical circle with a constant speed of 1ms^(-1). When the tension in the string is 0.7N, the angle made by the string with the vertical is (g= 10 ms^(-2))
Answer» `0^(@)` `90^(@)` `180^(@)` `60^(@)` ANSWER :D