# Answer to Question #68334 in Mechanics | Relativity for steve

Question #68334

If i had a 780mm diameter spinner rotating at 1750 rpm , firing a projectile of 12 grams, with 6 x 230 mm long veins evenly spaced on the diameter, the spinner would be travelling at 60 knots , 120 feet above the ground. How far would it throw the 12 gram projectile and how long would it stay in the air? the wind resistance would be 8 knots.i am looking for a distance of 270 meters.

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