US$ 18.90
Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another
Power supply NOT included
this EHT supply adds a center-tapped ±2
4 GHz DSSS with 1 Mbps throughput and 30-meter open-space range
Premium Large Trebuchet Demonstration Kit, 21" Beam Arm Manufacturer_hBARSCI Proves horizontal velocity does notLarge scale trebuchet demonstration with a 21 inch beam arm, launching ping pong projectiles to show how gravitational potential energy converts through rotational motion into projectile trajectory.
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