Given:
Length of the string
Mass of the ball
Speed of the ball
Solution:
Let tension in the string
Angle made by the string with the pole
Let is the radius of the circle in which the ball rotates.
From the free body diagram of the ball it is clear that
The horizontal component of the force will give it the necessary centripetal force
Putting the value of from Eqn (I)
Putting the value of T in Eqn (I)
Answer:
A 5.73 kg ball is attached to the top of a vertical pole with a 2.01...
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