Category: Physics

At what point is the voltage on a sine wave maximum positive? Lesson 2 Question Answer At what degrees on the sine wave is the voltage equal to zero? 0°, 180°, 360° When is the voltage on a sine wave maximum positive? Maximum negative? 90° 270° When a conductor cuts magnetic flux lines at ____ […]

What is the average kinetic energy of any substance at 0 K J? 0 Kelvin is the temperature where the is no kinetic energy, so the answer is 0. When the kinetic energy of particles in a substance decreases will also decreases? When the kinetic energy of particles in a substance decreases, what also decreases? […]

What is an example of a scalar and a vector? A scalar quantity is defined as the physical quantity that has only magnitude, for example, mass and electric charge….Difference Between Scalar and Vector. Vector Scalar Example Velocity and Acceleration Mass and Temperature What is a scalar operation? When you add, subtract, multiply or divide a […]

Why Studying is so boring? It didn’t want to learn those things which it think as not important and thus we don’t have any interest, so it becomes boring and tedious. Doing work more than our capacity can exhaust us and and this same principle applies to our brain. Our brain also requires some rest […]

What is a scaled vector? It is associated with a numerical value. In vector diagrams, the length of the vector arrow represents the magnitude of the vector quantity. Scale. Vector diagrams utilize a scale to help represent the magnitude. A scale indicates the ratio of the distance on a map to the actual distance along […]

What are 3 facts about the outer core? The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. The outer core is responsible for Earth’s magnetic field. As Earth spins […]

What happens to the length of the spring when the key is pressed? So now that they have pressed the key, the key’s gone down by 4.8 millimeters. In other words, that’s how much the spring is compressed by. And this happens every time you press a key on the keyboard. When a key is […]

What is the safest color car to drive? white Which car loses its value fastest? 3 overall, the two vehicles that depreciate in value the most are both BMWs, according to iSeeCars’ findings. The 7-Series, BMW’s super luxury sedan, sold for an exorbitant $101,546 off the lot, and five years later is only worth $27,860 […]

What will happen to blood cell If valves are not present? When the pulmonary valve is missing or does not work well, blood does not flow efficiently to the lungs to get enough oxygen. In most cases, there is also a hole between the left and right ventricles of the heart (ventricular septal defect). This […]

What are the factors that affect the amount of solar radiation? In total seven influences on solar radiation have been identified: Solar elevation. Where the sun sits in the sky determines the level of UV radiation reaching us. Ozone. Cloud cover. Ground surface reflectivity. Altitude. Aerosols and pollutants. Direct and diffuse UV. What factors affect […]