US$ 12.83
and string length
Truncated-cone stainless-steel coil 18cm long with brass wire windings and a 9-9
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
verifying conservation of momentum in two dimensions for mechanics-unit investigations
Small Air-Core Solenoid Subcategory_Kinematics and string lengthTightly wound 700 turn copper coil on a small air core former, rated 1. 6A continuous and 5A intermittent for short duration high field induction and Lenz law investigations.
US$ 12.83
US$ 40.85
US$ 12.98