Category: Physics

Why does everything seem so quiet after a snowfall? But there’s science behind the silence as well. That’s because snow absorbs sound, so when a fresh blanket of snow covers the landscape it absorbs many of the sound waves, making it seem quieter outside, according to AccuWeather. Those spaces absorb sound waves, creating a quieting […]

What is the ratio of output to input called? An average measure of the efficiency of production is called productivity. It is expressed as the ratio of output to inputs used in the process of production i.e output per unit of input typically over a specific period of time.. What is ratio of electric power […]

Will steroids help a bacterial infection? Unlike the anabolic steroids used to bulk up muscle, corticosteroids are often used to treat inflammation related to infectious diseases, such as bacterial meningitis. Used against other infectious diseases, however, steroid therapy has been shown to be ineffective or even harmful. Can an infection get worse while on antibiotics? […]

What is the theoretical probability of rolling a 2 or 3 on a die? The answer is 1:3. The theoretical probability of rolling a 2 or a 3 on a number cube is 1:3. What is the theoretical probability of not rolling a 4? Answer:If a die is rolled once, determine the probability of rolling […]

How long before cancer is cured? If you remain in complete remission for 5 years or more, some doctors may say that you are cured. Still, some cancer cells can remain in your body for many years after treatment. These cells may cause the cancer to come back one day. For cancers that return, most […]

Is stellar parallax true? Stellar parallax remains the standard for calibrating other measurement methods (see Cosmic distance ladder). Accurate calculations of distance based on stellar parallax require a measurement of the distance from Earth to the Sun, now known to exquisite accuracy based on radar reflection off the surfaces of planets. What is the cause […]

What are the three major money management activities? What are the three major money management activities? 1) Storing and maintaining personal financial records and documents. 2) Creating personal financial statements (balance sheet and cash flow statements of income and outflows). 3) Creating and implementing a plan for spending and saving (budgeting). What is the first […]

How do machines help us in everyday life? Simple machines make the things in everyday life work. These simple machines are used in more complex devices every day, making tasks much easier. Simple Machines. Simple machines make tasks simpler by reducing the amount of effort it takes for humans to perform certain tasks. What are […]

What is a low center of gravity? The lower your center of gravity, the easier it is to keep your balance. If you’re sitting on a chair, you can lean over more than if you’re standing up. With your center of gravity low, you can lean further to one side or the other without creating […]

What are the 5 types of data? Common data types include: Integer. Floating-point number. Character. String. Boolean. What are examples of data types? Common examples of data types Boolean (e.g., True or False) Character (e.g., a) Date (e.g., 03/01/2016) Double (e.g., 1.79769313486232E308) Floating-point number (e.g., 1.234) Integer (e.g., 1234) Long (e.g., 123456789) Short (e.g., 0) […]