15.277.. j. I did the problem using a proportion. an additional 3.7m to the current 1.8 cm=5.5cm.
Therefore, 5.0 j/1.8cm=x/5.5cm
Answer:
VR=2
Explanation:
driven=60
driving=30
but VR=driven/driving
VR=60/30
VR=2
hence the velocity ratio VR is 2
Night vision cameras
Explanation:
One of the most common use of infrared waves is in night vision cameras. Infrared waves are electromagnetic radiations whose wavelengths are longer than those of visible light in the electromagnetic spectrum
They are used:
- In night vision cameras
- Thermal imaging whereby the radiation is used to monitor temperature differences between bodies.
- It can also be used as source of heating.
Learn more:
Radiation brainly.com/question/7746015
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