Category: Physics

How can you make it safe to exercise on a hot day? Stay safe during hot-weather exercise by drinking enough fluids, wearing proper clothing and timing your workout to avoid extreme heat. Whether you’re running, playing a pickup game of basketball or going for a power walk, take care when the temperature rises. Why is […]

What is heat loss by radiation? Radiation is a form of heat loss through infrared rays. This involves the transfer of heat from one object to another, with no physical contact involved. For example, the sun transfers heat to the earth through radiation. The last process of heat loss is evaporation. How can a patient […]

What is the atomic mass of Mg2+? 24.305 g/mol What is the atomic number of Mg2 +? 12 Why is magnesium ion Mg2+? Magnesium, Mg It has two electrons in its outer shell. When these electrons are lost, a magnesium ion, Mg 2+, is formed. A magnesium ion has the same electronic structure as a […]

Which principle is used in rocket? The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses is explained by the same physical principle—Newton’s third law of motion. Matter is forcefully ejected from a system, producing an equal and opposite reaction on what remains. Another common example is the recoil of a […]

What is the mass number and charge of the emitted positron? This positron can be called a beta plus (β+) particle – this process is known as positron emission. A positron is the antimatter version of an electron. It has the same relative mass of zero, so its mass number is zero, but a +1 […]

What is the purpose of dark matter? [+] Dark matter is the most mysterious, non-interacting substance in the Universe. Its gravitational effects are necessary to explain the rotation of galaxies, the motions of clusters, and the largest scale-structure in the entire Universe. Can we see dark matter? Although we cannot see dark matter and we […]

How do you get hide in Family Island? For example, to get animal hide, you will have to feed a goat. To do this, make goat feed at the mill. To prepare feed, you will need roots and grass – Gather tufts of grass from the island and grow/harvest roots in garden bed. How do […]

Which is a major area of study in psychology? A psychology major examines the science of human behavior and mental processes. This includes the study of the mind, the brain, and human and animal social interactions. The major touches on many different areas of psychology like social, cognitive, abnormal, personality and developmental. What makes a […]

What frequencies are dangerous? The most restrictive limits on whole-body exposure are in the frequency range of 30-300 MHz where the RF energy is absorbed most efficiently when the whole body is exposed. For devices that only expose part of the body, such as mobile phones, different exposure limits are specified. What is the range […]

How much power does a 5kW solar system produce per day? 5kW Solar System Details: Produces 5,000 watts of DC (direct current) power. Requires up to 400 square feet of space to produce an estimated 350 to 850 kWh (kilowatt hours) of AC (alternating current) power monthly. Is 5 kW solar enough? On average, a […]