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Brilliant_brown [7]
3 years ago
5

At which temperature does the motion of atoms and molecules stop? 0°C 0C 0°K 0K

Physics
1 answer:
anastassius [24]3 years ago
7 0

Answer: 0K

Explanation:

Absolute 0 (0K) is the point where nothing could be colder and no heat energy remains in a substance.

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A 5000kg car traveling at 40m/s crashes into a wall and comes to a complete stop in 10s. What was the force on the wall? solve s
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Answer:

20,000 N

Explanation:

First find the acceleration:

a = Δv / Δt

a = (0 − 40 m/s) / 10 s

a = -4 m/s²

Next use Newton's second law to find the force on the car:

F = ma

F = (5000 kg) (-4 m/s²)

F = -20,000 N

According to Newton's third law, the force on the wall is equal and opposite the force on the car.

F = 20,000 N

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Explanation:

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What’s the origin of a meteor shower?
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