Category: Physics

What does the atomic mass tell you? The atomic mass tells us the weight of protons and neutrons. How do you know how many electrons there are surrounding the nucleus of a particular atom? Why isn’t the atomic mass always a whole number? Atomic mass is never an integer number for several reasons: The atomic […]

What is called inertia? Newton’s first law of motion states that a body at rest remains at rest, or, if in motion, remains in motion at a constant velocity unless acted on by a net external force. This is also known as the law of inertia. Inertia is the tendency of an object to remain […]

Does high spin speed damage clothes? Myth: Higher spin speeds will ruin your clothes! Busted: No! Higher spin speeds will not ruin your clothes when you use the appropriate settings. High spin speeds are ideal for cottons, bulky items such as towels and bedding and denim. Can you rinse clothes in a spin dryer? You […]

What will happen in 600 million years? Total solar eclipses occur because the moon and the sun have the same apparent size in Earth’s sky — the sun is about 400 times wider than the moon, but the moon is about 400 times closer. … Can the entire earth see each solar eclipse? Image courtesy […]

What is positive decision making? Positive decision makes attempts to seek out all alternative outcomes and sets about achieving the best of those outcomes. Planning. Negative decision making, being based on the absence of negative consequences, has little opportunity for planning. What defines a good decision? A good decision is one that is made deliberately […]

What is the most probable reason why a life jacket helps you float in water? The trapped air weighs much less than the weight of the water it displaces, so the water pushes up harder than the life jacket pushes down, allowing the life jacket to remain buoyant and float. This buoyancy is strong enough […]

Is eating no meat healthy? The health factor And people who don’t eat meat — vegetarians — generally eat fewer calories and less fat, weigh less, and have a lower risk of heart disease than nonvegetarians do. Even reducing meat intake has a protective effect. Will I get sick if I eat meat after being […]

What is the third ionization energy of a ground state Beryllium Be atom? Beryllium atoms have 4 electrons and the shell structure is 2.2. The ground state electron configuration of ground state gaseous neutral beryllium is [He]….Ionisation Energies and electron affinity. Ionisation energy number Enthalpy / kJ mol‑1 3rd 14848.72 4th 21006.64 How do you […]

How do I get my teacher to accept late work? Put in the effort: 6 etiquette tips for turning in a late… Talk to the professor as early as possible. Keep excuses to a minimum. Take personal responsibility. Turn in quality work. Don’t get upset if points are taken off. Assure the professor that this […]

What is the primary difference between the concepts of health and wellness? In understanding the difference between health and wellness, in short, health is a state of being, whereas wellness is the state of living a healthy lifestyle (3). Health refers to physical, mental, and social well-being; wellness aims to enhance well-being. How do health […]