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kow [346]
3 years ago
11

How was the earliest version of the periodic table organized before Mendeleev?

Physics
1 answer:
astraxan [27]3 years ago
7 0
This is how the periodic table is organized.

Hope this helps!

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A person just supports a mass of 20kg suspended from a rope.
Georgia [21]

Answer:

F = 200 N

Explanation:

Given that,

The mass suspended from the rope, m = 20 kg

We need to find the resultant force acting on the rope. The resultant force on the rope is equal to its weight such that,

F = mg

Where

g is acceleration due to gravity

Put all the values,

F = 20 kg × 10 m/s²

F = 200 N

So, the resultant force on the mass is 200 N.

7 0
3 years ago
Which of these is not true about the proton?
bulgar [2K]

Answer:

Option C is the untrue statement.

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S_A_V [24]

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The body acts under the influence of gravity.

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A target behavior is
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Target Behavior would be the behavior known to be changed, it can be defined by function or topography

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2 years ago
Which describes the relationship between photon energy and frequency?
nasty-shy [4]
E = hf
E : photon energy
h : Plank's constant 6.63×10^-34
f : frequency

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