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Laser speed guns use lasers by Doppler shift measurement.
anemometer
If you know any two of the following you can calculate the third: -Period of planet's revolution -Orbital Speed -Distance from sun
The length of a meter.
Use a tacometer drive the governor round with an electric drill and measure the speed the govenor trips. lift govenor speeds are factory set
I'm pretty sure knots use to be the measurement of wind speed. I'm not totally sure. Sorry.
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Laser speed guns use lasers by Doppler shift measurement.
You can use a graph to calculate speed.
To calculate average speed, you measure how long it takes(T) to get from point A to point B. Then you use the formula below: speed = (B - A)/T
Jets use a pitot tube.
Speed = Distrance / time
The lengths of its sides
I'm not sure if I'm right but I think it is a speed gauge
Yes. If an object is moving at a constant speed the average speed and the constant speed are the same.
Speed of light in water = speed of light in vacuum/refractive index of water
Temperature is a measurement of the average speed of the particles in a substance.