Category: Physics

What is H in Maxwell equations? The four Maxwell equations, corresponding to the four statements above, are: (1) div D = ρ, (2) div B = 0, (3) curl E = -dB/dt, and (4) curl H = dD/dt + J. Read More on This Topic. light: Maxwell’s equations. In the early 1860s, Maxwell completed a […]

At what temperature does the exhaust valve open? When the valve opens and exhaust gas begins to flow out from under it, the valve is heated not only on the top of its head by combustion itself but the back side of it is heated as well by exhaust gas, whose temperature can be as […]

Is burning of candle a reversible change? When a candle is burned, chemical reactions take place between the wax and oxygen. These chemical reactions release energy in the form of heat and light. These chemical reactions can’t be reversed back. What ways to change the materials? What are some ways of changing solid materials? Physical […]

What is the weight formula? The most common definition of weight found in introductory physics textbooks defines weight as the force exerted on a body by gravity. This is often expressed in the formula W = mg, where W is the weight, m the mass of the object, and g gravitational acceleration. Who gave the […]

What are the dangers of DNA testing? People may feel angry, depressed, anxious, or guilty about their results. In some cases, genetic testing creates tension within a family because the results can reveal information about other family members in addition to the person who is tested. Is DNA testing worth it? DNA tests can give […]

Is Captain Nemo a bad guy? Captain Nemo is the anti-heroic deuteragonist of the 1870 Jules Verne novel Twenty Thousand Leagues Under the Sea. He later reappears as the benefactor of the castaways in The Mysterious Island. How did Captain Nemo die? He is said to have died of old age in 1883, on board […]

What are the two main functions of cell wall? The main function of the cell wall is to provide structural strength and support, and also provide a semi-permeable surface for molecules to pass in and out of the cell. Where are cell walls found? A cell wall is a fairly rigid layer surrounding a cell […]

What is the maximum potential energy of the spring? When the kinetic energy is maximum, the potential energy is zero. This occurs when the velocity is maximum and the mass is at the equilibrium position. The potential energy is maximum when the speed is zero. What is the potential energy of a spring derive it? […]

What year did the Narrows bridge collapse? September 1938 How much does it cost to go over the Tacoma Narrows Bridge? Currently, crossing the bridge in a car or another two-axle vehicle costs $5 with a Good to Go! pass or $6 cash at the tollbooth. How big is the Octopus Under the Narrows Bridge? […]

What is stop motion animation Why was it important to animation? Why was this important to animation? Stop motion animation is an animation technique to make a physically manipulated object appear to move on its own. The objects/puppets are made by the artist, and each time they are moved, the artist photographs them instead of […]