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They use radar.

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13y ago

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How can we detect the speed of the ball?

You can detect the speed of a ball by using tools like radar guns, speed cameras, or by calculating the speed based on time and distance measurements. These methods can provide an accurate measurement of the ball's speed at a given moment.


What are speed cameras?

Speed cameras is a shortened version for Speed Trap Cameras which are fixed or mobile cameras used by the police or councils to take pictures of vehicles travelling above the speed limit and thereby prosecute them for speeding


Are there speed cameras anywhere?

There are speed cameras now in most places that are busy intersections. Speed cameras are expensive and are usually not found in small towns or small municipalities.


Speed cameras introduced to Europe?

they caclate your speed


What is the science behind speed cameras?

No


Are red light cameras use infrared or flash cameras?

Red light cameras are usually high speed video cameras that use ambient light.


What electromagnetic waves can thermal cameras detect?

The infrared spectum since this is attributed to heat.


How good is the quality of digital security cameras?

The average set of security cameras offer picture quality that is good enough for the intruder captured on the camera to be identified. This is the point of CCTV cameras. Some of these cameras might be waterproof or detect motion.


Are ninjas visible by cameras on dv8 exile?

Yes, cameras do detect ninjas in DV8: Exile by removing their stealth capability when they are in range, exposing them to attack. Cameras have a pre-set range which can be increased by upgrading them.


How would one install hidden spy cameras in your home?

By definition you can't detect them, or at least not without sophisticated electronic devices; and then only if the camera's output is transmitted wirelessly or the device is otherwise emitting detectable electromagnetic radiation.That's the point of them.There are devices supposedly able to detect roadside speed-cameras but it's easier, more reliable and safer to stick to the speed-limit!


What speed do cameras get you at?

over 20 km/h over the speed limit


Do smartphones carry high speed video cameras?

"Most smart phones do carry high speed video cameras. However, some do not, you have to look at the specs on the cameras just to make sure you are not getting messed with."