What is velocity and light gates as well as air tracks?
Answers
Answer:
Velocity :
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion.
Light Gates :
The Light gate is a digital switch-type sensor most commonly used in timing experiments. The Light Gate has an infrared transmitter and receiver that will detect an object passing through the 'gate'. They can be used singly or in pairs for time, speed , velocity, acceleration and event monitoring.
Air tracks :
An air track is a scientific device used to study motion in a low friction environment. Its name comes from its structure: air is pumped through a hollow track with fine holes all along the track that allows specially fitted air track cars to glide relatively friction-free.
Hope this was helpful.
Answer:
The airtrack consists of a long metal tube with holes along its length. Air is blown from a pump into the tube. The air which escapes through the holes provides a near friction free cushion which gliders can ride on.
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