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Savatey [412]
3 years ago
8

This is how manganese appears in the periodic table. The arrow is pointing to the atomic of manganese.

Physics
2 answers:
Liula [17]3 years ago
5 0
The way an element is shown in the periodic table is called the element's symbol. In the case of manganese, it is Mn. Other information shown alongside the element's symbol is the atomic mass, which for manganese is 55, and the atomic number of the element, which for manganese is 25.
nalin [4]3 years ago
4 0
The answer is symbol :)
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<u>Complete Question:</u>

A hockey player swings her hockey stick and strikes a puck. According to Newton’s third law of motion, which of the following is a reaction to the stick pushing on the puck?

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The potential energy of the lemming is 1.53 J

Explanation:

The potential energy (PE) of an object is the energy possessed by the object due to its position in the Earth's gravitational field, and it is given by:

PE=mgh

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m is the mass of the object

g=9.8 m/s^2 is the acceleration of gravity

h is the height of the object relative to the ground

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m = 0.0780 kg is the mass of the lemming

We want to find the potential energy when the height is

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Therefore, we find:

PE=(0.0780)(9.8)(2.00)=1.53 J

Learn more about potential energy:

brainly.com/question/1198647

brainly.com/question/10770261

#LearnwithBrainly

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