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Chemistry #421
Answered
Physics #422
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Satellites and Orbits

Why don’t satellites fall back to Earth?

Chemistry #423
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Physics #424
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Tides and Moon’s Gravity

How does the Moon cause ocean tides on Earth?

Chemistry #425
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Why is water bent while CO₂ is linear?

Compare using VSEPR theory.

Physics #426
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Simple Harmonic Motion

What makes a motion “simple harmonic”?

Chemistry #427
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Physics #428
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Everyday SHM

Is a child swinging on a swing an example of SHM?

Chemistry #429
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Physics #430
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Frequency vs Time Period

How are time period and frequency related?

Chemistry #431
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Physics #432
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Energy in SHM

Where is potential and kinetic energy maximum in SHM?

Chemistry #433
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Understanding the Mole Concept

Why do chemists prefer using the "mole" instead of counting particles directly?

Physics #434
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Damped Oscillations

Why does a swinging pendulum eventually stop?

Chemistry #435
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Avogadro’s Number Simplified

How can you visualize Avogadro’s number in daily life?

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