Knurling Knurler Tool 2cm/0.8inch Spring Loaded Holder Linear Knurl Tool Lathe Adjustable Shank with 4 Spare Knurling Wheels 45# Carbon Steel CR15 for 7X Mini Lathe

This innovative self-aligning purlin clip from ABB Installation Products’ E-Klips® range is designed for quickly and easily hanging threaded dropper rods from steel purlins. As you can see from our video tutorial, it can be installed in under a minute! For more information on E-Klips for threaded rods, visit our dedicated page ▶️ https://bit.ly/3oMKyfE #abb #eklips #fasteners #electricalinstallation #construction #purlin #rod | ABB Installation Products

∙∙The spring of a spring gun has force constant k= 400 N / m and negligible mass. The spring is compressed 6.00 cm, and a ball with mass 0.0300 kg is placed in the horizontal barrel against the compressed spring. The spring is then released, and the ball is propelled out the barrel of the gun. The barrel is 6.00 cm long, so the ball leaves the barrel at the same point that it loses contact with the spring. The gun is held so the barrel is horizontal. (a) Calculate the speed with which the ball l