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Insottball,the pitcher thYO WS under hand With the arm qully 0-154 kg, leaves the hand at aspeed 07 139 Kml h,nhen The arm is Pointed verticaIy donnnard. Fart A:Find the rotational Kinetic energt,in jouler,07me PItcher is arm ball system, given that the armis momnt Ainertia i50.75kg•m° and the ball teaver the hand at a distance o7 OoLOsm. trom the Pivot. |KE(otこ? PartB: What 7orce,in newtons,do the musCies exert to cause the arm To rotate, assuming the torce is constoant and 1s enective perpendicular lever arm is 3 •2 cm? AsJume also that the pitchers arm starts extended horizantaly behind her at rest and the bali released at the bottom 07 theswing as described in part ca Approximate the arm as a uniturm rodo

Insottball,the pitcher thYO WS under hand With the arm qully 0-154 kg, leaves the hand at aspeed 07 139 Kml h,nhen The arm is Pointed verticaIy donnnard. Fart A:Find the rotational Kinetic energt,in jouler,07me PItcher is arm ball system, given that the armis momnt Ainertia i50.75kg•m° and the ball teaver the hand at a distance o7 OoLOsm. trom the Pivot. |KE(otこ? PartB: What 7orce,in newtons,do the musCies exert to cause the arm To rotate, assuming the torce is constoant and 1s enective perpendicular lever arm is 3 •2 cm? AsJume also that the pitchers arm starts extended horizantaly behind her at rest and the bali released at the bottom 07 theswing as described in part ca Approximate the arm as a uniturm rodo

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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n vottball,the pitcher throws under hand With the arm qully atended (Straight at the elbun). In agastpitch the bal, 07 mass m - 0-134 kg, leaves the nand at aspeed 07 139 kml h,nhen The arm is fointed verticaiy dunnnard. Part A:Find the rotational kineticenergt,in joules,07he PItcher is arm ball system, given that the armis moment Ainertia 1s0.75 kq°m and the ball reaver the hand at a distance o7 OoLosm Arom the PiVot. KErotこ? PartB: What 7orce, in newtons,do The muCies exert to cause the arm to rotate, assuming the torce is constant and 15 epective perpendicular lever arm is Bo2 cm? ASsume also that thepitchers arm starts extended nor12antalybehind her at rest and the ball is releascd at the bottom 07 the swing j as descYibed in part (a). Approximate the arm as a uni7orm rod. F=?
Transcribed Image Text:n vottball,the pitcher throws under hand With the arm qully atended (Straight at the elbun). In agastpitch the bal, 07 mass m - 0-134 kg, leaves the nand at aspeed 07 139 kml h,nhen The arm is fointed verticaiy dunnnard. Part A:Find the rotational kineticenergt,in joules,07he PItcher is arm ball system, given that the armis moment Ainertia 1s0.75 kq°m and the ball reaver the hand at a distance o7 OoLosm Arom the PiVot. KErotこ? PartB: What 7orce, in newtons,do The muCies exert to cause the arm to rotate, assuming the torce is constant and 15 epective perpendicular lever arm is Bo2 cm? ASsume also that thepitchers arm starts extended nor12antalybehind her at rest and the ball is releascd at the bottom 07 the swing j as descYibed in part (a). Approximate the arm as a uni7orm rod. F=?
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