What are called fundamental quantities? In physics, there are seven fundamental physical quantities that are measured in base or physical fundamental units: length, mass, time, electric current temperature, amount of substance, and luminous intensity. All other units are made by mathematically combining the fundamental units. These are called derived units. What are the three fundamental […]
Does rain bring cold fronts?
How did Kelvin calculate absolute zero?
How did Kelvin calculate absolute zero? pressure (even around room temperature) and then extend the line to find the temperature where the pressure should be zero. Kelvin figured that this would be a much more natural place for “zero” to be, and he carefully measured it (by extending the line) to be around -273.15°C, which […]
What will be the angle through which reflected ray will rotate?
What exercises are not considered cardio?
What exercises are not considered cardio? That is why activities undertaken to improve strength, such as resistance exercise, using weight machines, lifting weights, and core workouts are NOT considered as cardio because they do not raise the heart rate throughout the period of exercise. What are 3 examples of aerobic activities? Aerobic Training Walking or […]
Which atom can have more than 8 valence electrons?
Which atom can have more than 8 valence electrons? Sulfur, phosphorus, silicon, and chlorine are common examples of elements that form an expanded octet. Phosphorus pentachloride (PCl5) and sulfur hexafluoride (SF6) are examples of molecules that deviate from the octet rule by having more than 8 electrons around the central atom. Why can Xenon have […]
What are 3 uses of soil?
What are 3 uses of soil? Soil provides many services and many products. The plants that are grown in soil can be used for food, clothing, recreation, aesthetics, building materials, medicines, and more. The minerals that make up soil particles can be used for dyes, make-ups, and medicines, or shaped into bricks, plates, and vases. […]
What happen when slowly pulled the cardboard?
What happen when slowly pulled the cardboard? Answer: When I slowly pulled the cardboard, the coin placed on top of the cardboard remained at rest but was dragged along with cardboard. Explanation: That is because, the coin was dragged by the force in the surface of the cardboard called friction. What happens to the Matchbox […]
Which of the following keys move the insertion point to the end of data in a cell?
What are the three main groups of matter?
What are the three main groups of matter? Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. What are chemical properties of oxygen? Oxygen atomic number 8 melting point −218.4 °C (−361.1 °F) boiling point −183.0 °C (−297.4 °F) density (1 atm, 0 […]