Category: Physics

When a substance undergoes a change a new substance with different properties is created? Chemical changes occur when bonds are broken and/or formed between molecules or atoms. This means that one substance with a certain set of properties (such as melting point, color, taste, etc) is turned into a different substance with different properties. Why […]

Is evidence stored at police stations? Property rooms, or evidence rooms, are secure areas used to store seized property, stolen property, and evidence to be used in court. They are typically located in a police station. Evidence or property in most cases may only be handled by technicians in order to preserve the chain of […]

What is the example of combustion reaction? An example of clean combustion would be burning a wax candle: The heat from the flaming wick vaporizes the wax (a hydrocarbon), which in turn, reacts with oxygen in the air to release carbon dioxide and water. What is the meaning of combustion? Combustion, a chemical reaction between […]

How far apart should the two lenses be spaced? How far apart should the two lenses be to make a telescope? Find qo and pe (in the notation of the thin lens equation) where the subscripts o and e refer to the objective and the eyepiece respectively. The distance between the lenses is just their […]

What is the main idea of A Vindication of the Rights of Woman? Lesson Summary A Vindication of the Rights of Women is a book by British writer Mary Wollstonecraft in which she argued that women should be treated with equal dignity and respect to men, especially regarding education. Which country’s constitution is Wollstonecraft unhappy […]

How are force and potential energy related? The force in the direction of the displacement is the derivative of the potential energy in that direction. We use the marker “type” to indicate that the kind of force we get comes from the kind of PE we start with. Electric PE gives the electric force, gravitational […]

What 4 executive departments were established in the new government? The four following executive departments were established in the new government: the State Department, the Treasury Department, the War Department, and the Attorney General’s office. The State Department was created on July 27, 1789. Which member of the federal government is chosen by the electoral […]

What is force and pressure of class 8? Gravitational force: the attractive force of earth which acts upon all the objects is called force of gravity or gravitational force. Pressure: The force acting on a unit area of a surface is called pressure. It acts perpendicular to the surface on which pressure is exerted. Pressure= […]

How much fuel does it take to launch a rocket? At liftoff, the two Solid Rocket Boosters consume 11,000 pounds of fuel per second. That’s two million times the rate at which fuel is burned by the average family car. The twin Solid Rocket Boosters generate a combined thrust of 5.3 million pounds. What rocket […]

What are the 9 characteristics of science? Top 9 Main Characteristics of Science – Explained! Objectivity: Scientific knowledge is objective. Verifiability: Science rests upon sense data, i.e., data gathered through our senses—eye, ear, nose, tongue and touch. Ethical Neutrality: Science is ethically neutral. Systematic Exploration: Reliability: Precision: Accuracy: Abstractness: What are the 10 branches of […]