how to determine the torque of a rotating disc in order to find the power of motor?(adsbygoogle = window.adsbygoogle || []).push({});

there is a rotating disc, and a ball will pass through and launched by the rotating disc.

the initial speed is 20m/s, and i could determine the rpm from here.

the information i have now:

the disc diameter is 15cm, and the ball diameter is 0.143m and 0.18kg

thank you

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# How to determine the torque of a rotating disc?

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