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99 m/s (measures in cm/s and km/h
Quick quantitative measurements: Built-in photogate slots make data collection fast and reliable
students can simultaneously observe how the normal force and the downhill parallel force component change with angle
Whether you're setting up a new lab or restocking an existing one
Compact launcher for accurate indoor projectile motion labs
Secchi Disk Electricity & Magnetism 99 m/s (measures in cm/sTurn how clear a lake looks into a number you can track The Secchi Disk is an 8. 75" white plastic disk marked with black and white quadrants, attached to a weighted, foot marked line. Lower it into a lake, pond, stream, or aquarium until the pattern disappears from view, then read the depth off the line. That depth, the Secchi depth, is a standard field measurement of water clarity used by limnologists and water quality monitoring programs. The