Mathematics
21.01.2021 20:18
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If a 72-candela light source is located at a distance of 3 meters from a surface,
If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is lux.
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yee1264
5,0(3 marks)
The answer is 8 lux. Using the formula E= I/s^2, E stands for the illuminance on the surface that we are trying to solving, I stands for the intensity of the light from the sources it is candelas in the problem that we’re solving, and S stands for the distance from the light source to the surface it should be in meters.
E= I/s^2
E= 72/3^2
E=72/9
E= 8
amw4
4,4(82 marks)
Penn Foster Students: 8
Step-by-step explanation:
emmacox069
4,5(50 marks)
A because the absolute value is how many spaces the number is away from 0. So it could either be 4 or -4, because both of these are 4 spaces away from zero.
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