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Sloan [31]
3 years ago
8

How many total atoms in the chemical formula CaCO2?

Physics
1 answer:
Gre4nikov [31]3 years ago
7 0

Explanation:

Calcium carbonate is a molecule that contains one atom of calcium, one atom of carbon, and three atoms of oxygen.

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Why was galileo unable to formulate equations to describe motion?
pychu [463]

Answer: Galileo's laws of Motion determined that the natural state of an object is rest or uniform motion, objects always have a velocity, sometimes that velocity has a magnitude of zero rest. objects resist change in motion, which is called inertia.

Explanation:

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2 years ago
A group of students painted four cans, placed 500 grams of water in each can, and measured the temperature of the water as shown
inna [77]

B.The water molecules in the black can had the largest increase in average kinetic energy.

<u>Explanation:</u>

Here, black painted can absorbs more heat than the other color painted cans.

Black color absorbs all the heat and didn't reflect anything back, so it absorbs the most heat.

White color reflects all the heat, so heat absorbed by the white can is least.

When the black can absorbs heat then the water molecules in the can gets its maximum amount of kinetic energy so that the water molecules in the can collide with each other and also along with the walls of the can here, and so the average kinetic energy increases.

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3 years ago
What velocity must a 1240 kg car have in order to have the same
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Answer:

90

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cause

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If a car travels 30 miles in 5 hours, how many miles per hour is the car traveling?
Ivenika [448]

Answer:

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Which of these have a potential energy?
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coiled spring have a potential energy

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