As per the question, we are provided some light sources prefer halogen, laser, sodium-vapor etc.

You are watching: What is common to all light sources including incandescent

There room two varieties of body which are known as luminous and non luminous relying on their production of light.

All these sources provided in the concern are luminous sources as they have actually their own light. Most importantly they room not natural luminous sources prefer stars, firefly etc.

All these sources are artificial.

Hence, the exactly answer that this concern is fabricated luminous sources.

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bekas <8.4K>6 month ago
3 0
The common thing to all light sources, consisting of incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices is that all of them are man-made light sources.
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c) The rate at the moment of affect is 4.9 m/s

Explanation:

a)

We need to calculate how far from the base of the desk the ball lands, the is the horizontal distance spanned by the ball during its motion.

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The movement of the round is a projectile motion and consists of 2 independent motions:

- A horizontal uniform activity at consistent velocity, due to the fact that no pressures act follow me the horizontal direction

- A vertical accelerated motion with consistent acceleration

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b)

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s is the vertical displacement (= the elevation of the desk)

is the initial upright velocity

is the acceleration of gravity

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c)

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