Why do people rub their hands before eating? People make this hand gesture when they’re excited about something about to happen. When you have to deliver a piece of good news about yourself, you’re likely to rub your palms together. Or, to give you a simple example, when you are about to eat your favourite […]
What is electric potential write its formula?
What is electric potential write its formula? Overview. Electric potential energy is a scalar quantity and possesses only magnitude and no direction. It is measured in terms of Joules and is denoted by V. It has the dimensional formula of ML2T-3A-1. What is electric potential equal to? In other words, the electric field is a […]
What are the characteristic of compressional waves?
What are the characteristic of compressional waves? 1 Acoustic propagation wave theory. Longitudinal or compression waves are defined as waves where the particle motion is in the same direction in which the wave is propagating. The oscillations in pressure are sinusoidal in nature and are characterised by their frequency, amplitude and wavelength (Figure 9.1). What […]
What is vacuum pressure example?
What is vacuum pressure example? Vacuum Examples A vacuum cleaner sucks up debris because it creates a pressure difference between the area to be cleaned and the suction tube. Your lungs intake air when your diaphragm drops, creating a partial vacuum in the alveoli of the lungs, causing air to rush in. Is vacuum measured […]
What do you mean by electrical conductivity?
What do you mean by electrical conductivity? Conductivity is the measure of the ease at which an electric charge or heat can pass through a material. A conductor is a material which gives very little resistance to the flow of an electric current or thermal energy. Materials are classified as metals, semiconductors, and insulators. What […]
What are 3 things Justinian is known for?
What are 3 things Justinian is known for? He had a strong belief in Christianity and wrote laws to protect the church and to suppress paganism. He also was a prolific builder. He had churches, dams, bridges, and fortifications built throughout the empire. These three elements of Justinian’s passion came together when he rebuilt the […]
What are the factors that affect atmospheric pressure?
What are the factors that affect atmospheric pressure? Discuss the factors affecting atmospheric pressure with respect to the following: Temperature Altitude Rotation of the Earth Temperature. Altitude. Rotation of the Earth. Are atmospheric pressure and gas pressure the same? PRESSURE is a force exerted by the substance per unit area on another substance. The pressure […]
What are 6 ways to prevent cuts in the kitchen?
What are 6 ways to prevent cuts in the kitchen? Preventing Finger Cuts Enforce proper knife storage. Use a knife for its intended purpose. Keep knives sharp. Know the proper way to walk with a knife. Use personal protective equipment, like cut-resistant gloves or stainless steel mesh gloves. If you’re using a cutting board, it […]
Why is appearance alone no longer considered sufficient evidence for classifying organisms?
Why is appearance alone no longer considered sufficient evidence for classifying organisms? Why is appearance alone no longer considered sufficient evidence for classifying organisms? Scientists concluded from evolutionary evidence that some species that look identical are different species and others that appear different are the same species. Species dont have control over/choice in adaptive characters. […]
What time of day do most thunderstorms occur?
What time of day do most thunderstorms occur? Thunderstorms are most likely in the spring and summer months and during the afternoon and evening hours, but they can occur year-round and at all hours. Along the Gulf Coast and across the southeastern and western states, most thunderstorms occur during the afternoon. Is it safe to […]