Physics
Physics, 04.11.2021 01:00, mem8163

An object of unknown mass is tied to one end of a string of length 50 cm while the other end is tied to a spring balance. When the object is whirled in a horizontal circle with a constant speed of 8 m/s, the spring balance reads 256 N. a . ) What is the mass of the object?

b . ) If the string breaks when the tension goes over 350 N, what is the maximum speed at which that object can be whirled without breaking the string ?

c . ) if instead of a horizontal circle, an attempt is made to whirl the object in a vertical circle, What should be the minimum speed of the object at the bottom of the circular path for it to be able to complete the vertical loop?

d . ) If the speed of the object is observed to be equal to when the object is at the top if the vertical loop, what will be the reading in the spring balance?

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