Does the speed of a satellite in orbit depend on its mass? The speed of a satellite in circular orbit around a planet does not depend on the mass of the satellite. Do astronauts wear heavy boots? 2. You’ve seen films of the APOLLO astronauts walking around on the Moon, why didn’t they fall off? […]
Why is Earth tilted at 23.5 degrees and wobble?
Why is Earth tilted at 23.5 degrees and wobble? Its axis is tilted about 98 degrees, so its north pole is nearly on its equator. Astronomers suspect that this extreme tilt was caused by a collision with an Earth-sized planet billions of years ago, soon after Uranus formed. Earth’s axis appears stable, but it actually […]
How do you know if someone is watching you through the mirror?
Is 2Mg O2 2MgO synthesis reaction?
Is 2Mg O2 2MgO synthesis reaction? Products- Ending materials in a chemical reaction. Synthesis- a reaction that starts with two or more substances to form a single product. 2Mg + O2 –> 2MgO. Decomposition- a reaction that starts with a single reaction and forms two or more products. What is the balanced equation for Pb […]
What is the fastest speed limit in the US?
How do you find the radius of BCC?
What kind of charge a glass rod acquires when it is rubbed with a piece of fur?
What kind of charge a glass rod acquires when it is rubbed with a piece of fur? By convention, we call one type of charge “positive”, and the other type “negative.” For example, when glass is rubbed with silk, the glass becomes positively charged and the silk negatively charged. What do you do with rose […]
Is Sickle Cell Anemia a deletion?
Is Sickle Cell Anemia a deletion? Sickle-cell anemia results from an A leads to T transversion in the second nucleotide of codon 6 of the beta-globin gene. We now report an uncommon beta-thalassemia gene that contains a deletion of this nucleotide. How do you know if a mutation is silent? The two amino acids are […]
How old was the oldest rock layer?
How old was the oldest rock layer? The oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks were from a body of rock known as the Acasta Gneiss in the Northwest Territories, which are 4.03 billion years old. Which Paleozoic rock layer is the oldest? layer C Is fault H […]