US$ 19.95
RC-network
Nine-piece hooked weight set with seven polished brass and two powder-coated steel masses spanning 10 to 1000 grams
Quartz is one of the most abundant minerals on Earth
One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations
Eddy Current Demonstration Apparatus, 13" Item Type_Scissors RC-networkHeavy copper tube paired with a neodymium magnet and a steel slug, used to dramatize Lenz's law as the magnet drops noticeably slower than the non magnetic mass.
US$ 19.95
US$ 89.00
US$ 27.99
US$ 37.95
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US$ 34.99