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3 years ago

11

When is an atom stable? A. when it has a full outer orbit. B. when it has the same amount of elections as protons. C. when it ha

s no neutrons. D. when it has an odd number of valance electrons

2 answers:

LekaFEV [45]3 years ago

4 0

The answer is A hope this helps

balu736 [363]3 years ago

3 0

B when the electrons and protons are the same amount

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Read more on Brainly.com - brainly.com/question/14295948#readmore

Explanation:

6 0

3 years ago

A 5.0-kg box is pulled by a horizontal force F applied to the top of the box. When the box meets a low doorstep, it begins to ro

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the required minimum magnitude of the force F is 21 N

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Given the data in the question,

m = 5 kg

width = 60 cm

height = 80 cm

Let force is F represent in the image below,

so when the block about to rotate normal shifted to edge of cube

mg(w/2) = Fh

F = mg(w/2) / h

we know that g = 9.8 m/s²

we substitute

F = (5 × 9.8 ( 60/2)) / 70

F = (5 × 9.8 × 30 ) / 70

F = 1470 / 70

F = 21 N

Therefore, the required minimum magnitude of the force F is 21 N

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2 years ago

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