2. (25 points) A vertical axle is free to rotate. A massless rod of length S is attached to the axle, as shown, and a sm

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2 25 Points A Vertical Axle Is Free To Rotate A Massless Rod Of Length S Is Attached To The Axle As Shown And A Sm 1 (132.62 KiB) Viewed 48 times

2. (25 points) A vertical axle is free to rotate. A massless rod of length S is attached to the axle, as shown, and a small wooden block of mass mi is attached to the rod. A bullet, mass m2, is shot at the block with velocity of magnitude vi at the angle o as shown. The bullet slows down inside the block, finally coming out in the direction shown with į of its initial kinetic energy when the block has rotated through the angle 2. What will be the angular velocity of the block after the bullet emerges? (Ignore gravity in this problem.) of Velocity emerging bullet S axle Top View ik bullet a) S- W= M₂ Vq coses-me vas mas 6) W = M₂ Vecosos - m2 u s mis? + I What would be the angular velocity of the block after the bullet emerges if instead of a massless rod, the rod had moment of inertia I about the axle?