US$ 11.99
with lengths varying by density to isolate the mass-volume-density relationship for student investigation
5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter
Optically-worked glass double convex lens with a 150mm focal length and 1
Plug-in 120V AC blower sized to feed a linear air track
packaged in a hard plastic case with standard-size pieces
Hall's Friction Car Base Shape_Rectangular with lengths varying by densityMolded in one piece with sleeve bearing wheels, a central mass well, and a removable cord post, this Hall's car supports dynamics work on inclined planes with weights and pulleys.
US$ 11.99
US$ 103.00
US$ 22.95
US$ 12.00
US$ 103.50
US$ 40.95
US$ 104.00