Question

At what speed ball start swinging ???​

Answer 1

Answer:

The boundary layer on the bottom side in Fig. 1 begins towards transition, the asymmetry is reduced and so is the swing such that at around 80 mph there is no swing. So if you are unfortunate enough to bowl at around this critical speed, the ball will not swing, no matter how perfectly the ball is released.

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Answer 2

Answer:

The boundary layer on the bottom side in Fig. 1 begins towards transition, the asymmetry is reduced and so is the swing such that at around 80 mph there is no swing. So if you are unfortunate enough to bowl at around this critical speed, the ball will not swing, no matter how perfectly the ball is released.