US$ 80.95
freefall times
verifying vector-addition rules in introductory mechanics units
1100-turn copper coil on a bobbin sized for a double C-core
and marble for hands-on texture
Hand-cranked 4-stroke gasoline engine model at 13
Moment of Inertia Disc on Magnetic Base Handle Type_Wood freefall times6. 5 inch plastic moment of inertia disc on a magnetic base ball bearing, perforated at 1cm intervals along 12 axes with six moveable pins for torque and rotational energy investigations.
US$ 80.95
US$ 75.99
US$ 182.16