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2 A block of weight 10 N is fastened to one end of a wire of cross-sectional area 3 mm and is rotated in
2 A block of weight 10 N is fastened to one end of a wire of cross-sectional area 3 mm and is rotated in a vertical circle of radius 20 cm. The speed of the block at the bottom of the circle is 2 m s. Find the elongation of the wire when the block is at the bottom of the circle. Young modulus of the material of the wire = 2 x 10" N m.
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Vector Mechanics for Engineers Statics and Dynamics
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
11th edition
73398241, 978-0073398242
