Category: Physics

What kind of process is radioactive decay according to the clip? Answer. Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. What happens to a radioisotope when it undergoes nuclear […]

What are the five steps of processing a crime scene? Basic Stages for a Crime Scene Investigation — Possible Homicide Approach the Scene. Secure and Protect the Scene. Initiate Preliminary Survey. Evaluate Physical Evidence Possibilities. Prepare a Narrative of the Scene. Capture the Scene Photographically. Prepare the Crime Scene Sketch. Conduct a Detailed Search. What […]

What is an example of conduction convection and radiation? Conduction: Heat transfers into your hands as you hold a hot cup of coffee. Convection: Heat transfers as the barista “steams” cold milk to make hot cocoa. Radiation: Reheating a cold cup of coffee in a microwave oven. What are the 3 types of conduction? The […]

What does the law of inertia state? Law of inertia, also called Newton’s first law, postulate in physics that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon […]

How is the shielding effect related to atomic radius? Shielding is when electrons in the inner electron shells of an atom can shield the outer electrons from the pull of the nucleus. The nucleus can pull the outer electrons in tighter when the attraction is strong and less tight when the attraction is weakened. This […]

What is the difference between being charged and being indicted? A charge is brought against someone by a prosecutor. But in an indictment, a grand jury brings the charges against the defendant. All indictments are charges, but not all charges are indictments. How do you know if you’re being indicted? Basically, if federal agents came […]

Do airbags actually save lives? NHTSA estimates that the combination of an air bag plus a seat belt reduces the risk of death in frontal crashes by 61 percent. From 1987-2015, frontal air bags saved 44,869 lives. In 2016, air bags are estimated to have saved 2,756 people. Should airbags be on or off? You […]

Why is 7 a lucky number in the Bible? Number 7 is considered to be the number of the spiritual perfection because it is a symbol of God’s work. Maybe you didn’t know but number 7 was the most sacred number to the Hebrews. As we have already said, this number is a symbol of […]

What is the temperature difference between steam and boiling water? While water boils at 212 F, steam is at a much higher temperature as water turns to vapor. While it is possible for water to remain in a liquid form after it has reached 212 F, it becomes an unstable liquid. Can Steam be hotter […]

Do wider tires affect gas mileage? For example, larger tires decrease your fuel economy because they are heavier, while smaller tires increase fuel efficiency. Bigger tires also have a higher rolling resistance than smaller tires which means they require more resistance and effort to get them rolling. What are good tires for rain? The 10 […]