3 years ago

VITI How many electrons are in the third energy level?

Physics

1 answer:

OverLord2011 [107]3 years ago

4 0

Answer:

8 (maybe 18)

Explanation:

Depends on whether you have the d orbitals. If not, it's 8, and it's 18 including the d orbitals

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a rod of zinc has a mass of 5kg. in water it weighs 25 N. what is the buoyant force on it when it is submerged in water?

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One ounce of a well-known breakfast cereal contains 103 Calories (1 food Calorie = 4186 J). If 1.6% of this energy could be conv

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Answer:

the heaviest barbell that could be lifted is 390.6kg

Explanation:

Hello!

To solve this question you must follow the following steps

1. Find the amount of energy that can transform the body into motion, this is achieved by multiplying the breakfast consumed by the percentage of energy conversion.

$W=(103Calories)(0.016)\frac{4186J}{1calorie} =6898.5J$

2. We use the equation that defines the work done by a body that has weight when it is lifted, this is defined by the product of mass by gravity by height.

W=mgh

where

W=work=6898.5J

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h=height=1.8m

now we solve for mass, and use the values.

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the heaviest barbell that could be lifted is 390.6kg

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