1.A 500 g ball on aluminium wire (A=0.5 mm², L=1.4 m, Y=0.7×10¹¹ Nm⁻²) rotates horizontally at 30° to horizontal. Increase in length? (g=10)a.0.1b.0.2c.0.3d.0.4Login to continueOnly logged in users canattempt or see the solution.
