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Does the earth move at a constant speed around the sun?

by Dr. Osama M. Khaled — published Mar 29, 2024 — last modified Mar 29, 2024 07:53 PM Located in Physics / Gravity / Kepler's Laws

Define the period of a motion

by Dr. Osama M. Khaled — published Mar 29, 2024 Located in Physics / Gravity / Kepler's Third Law

Earth Satellites

by Dr. Osama M. Khaled — published Mar 30, 2024 — last modified Jul 13, 2024 12:49 PM — filed under: Year 9

Newton argued that if a cannon could be placed on a hill high enough to be outside the earth's atmosphere, and if the cannon could be made powerful enough, a ...

Located in Physics / Gravity

What is a key benefit of Amazon EBS io2 volumes compared to other EBS volumes?

by Dr. Osama M. Khaled — published Mar 27, 2025 — last modified Mar 27, 2025 11:13 PM Located in Computing / … / Amazon Web Services (AWS) / Amazon Elastic Block Store (Amazon EBS) Primer

Is the following equation true

by Dr. Osama M. Khaled — published Jan 04, 2024 Located in Chemistry / Chemical Reactions / Single- and Double-Displacement Reactions

A double-replacement reaction

by Dr. Osama M. Khaled — published Jan 04, 2024 — last modified Jan 04, 2024 10:52 AM Located in Chemistry / Chemical Reactions / Single- and Double-Displacement Reactions

Atoms and Molecules

by Dr. Osama M. Khaled — published Jun 02, 2024 — last modified Jul 13, 2024 12:56 PM — filed under: Year 9

The study of what happens when an atom is broken apart is the subject of nuclear physics.

Located in Physics / Atoms and Molecules

Is the atom the smallest piece of an element or of a compount?

by Dr. Osama M. Khaled — published Jun 02, 2024 — last modified Jun 02, 2024 07:11 AM Located in Physics / Atoms and Molecules / Atoms and Molecules

When you divide an atom, do you still have the same substance?

by Dr. Osama M. Khaled — published Jun 02, 2024 Located in Physics / Atoms and Molecules / Atoms and Molecules

Elements always combine in certain fixed proportions when they form a compound

by Dr. Osama M. Khaled — published Jun 02, 2024 Located in Physics / Atoms and Molecules / Atoms and Molecules

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