The tension force in the string is 98.72 N.
Angular speed of the ball
The angular speed of the ball is calculated as follows;
ω = 2πf
ω = 2π x 5
ω = 31.42 rad/s
Tension force in the string
The tension force in the string is calculated as follows;
F = T = mω²r
T = 0.04 x (31.42)² x 2.5
T = 98.72 N
Thus, the tension force in the string is 98.72 N.
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