US$ 15.99
Studies oblique collisions between steel balls on a flat surface
Plug-in 120V AC blower sized to feed a linear air track
Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed
varying length isolating density as the single variable across materials
packaged in a wooden storage box
Bell in Vacuum Jar, Acrylic, 4-6V DC Pack Size_100 Studies oblique collisions between steelAcrylic bell in vacuum jar with an internal 4 6V DC electric bell that fades and falls silent as the enclosed air is removed, visualizing sound transmission dependence on a medium.
US$ 15.99
US$ 22.95
US$ 18.99
US$ 26.00
US$ 40.00
US$ 19.95