Category: Physics

Who is known as the founder of modern political science? Niccolò Machiavelli What is socialism communism and capitalism? The word socialism also began to be used in the 1830s, to describe a system different from capitalism. Socialism held that groups of people should own and regulate the economy for the benefit of all the members, […]

What period in the periodic table is iron found in? Fact box Group 8 1538°C, 2800°F, 1811 K Period 4 2861°C, 5182°F, 3134 K Block d 7.87 Atomic number 26 55.845 State at 20°C Solid 56Fe How many types of iron are there? two What are two iron types? Heme iron is found in meat, […]

What colors does Brown not go with? This is because brown is a warm color, which would not look good with blue or purple, which are cool colors. What is the best wall color for brown furniture? If you have a dark brown sofa or other furniture, the best way to complement them is with […]

How does input make an output? How does input make an output? The computer sits between the input and output devices. A computer program processes and digitises the input information. The result is then sent to an output device such as a screen. What is an input-output diagram? Input-output diagrams are the first step in […]

Why are steam engines inefficient? Steam engines are extremely inefficient, wasting around 80–90 percent of all the energy they produce from coal. That means they have to burn enormous amounts of coal to produce useful amounts of power. It’s inefficient because energy is wasted as the heat and steam travel from the fire, via the […]

Do I need to discharge a capacitor? You must discharge the capacitors before working on power supply circuits so you won’t get shocked. There are three different ways to discharge large filter capacitors in a power supply: with a screwdriver, the leads of a socketed 100 watt light bulb, and the leads of a high-wattage […]

What is your availability start? Applicants are often asked what date they are available to start work if they were to be hired. The most common time frame for starting a new position is two weeks after you have accepted the job offer. Should I put my availability on my resume? 12) Availability Save the […]

Is NBA older than NFL? “NBA at 50” selected the 50 greatest players in NBA history all the way back to the first years of the league. The NBA began as the Basketball Association of America, with its first season being 1946-47. Since the NBA began in 1946, the NFL still edges them out by […]

What is the source of the energy released in fission and fusion reactions? Nuclear Fusion reactions power the Sun and other stars. In a fusion reaction, two light nuclei merge to form a single heavier nucleus. The process releases energy because the total mass of the resulting single nucleus is less than the mass of […]

When you rub the two balloons against your hair what will happen if you bring the two balloons near each other? Rubbing the balloon onto your hair or onto the wool fabric adds electrons to the balloon and causes the balloon to become negatively charged. Like charges repel (the two balloons, once charged, will move […]