Category: Physics

Is Si a English word? Meaning of SI in English. abbreviation for Système International: the international system of units used for scientific measurements, with standard base units such as the meter and the kilogram: The SI unit of electric current is the ampere. What can Si stand for? Système international What is the medical term […]

What is the error in saying the source of electrons? The drift velocity is the average speed of the electrons as they flow through an electric circuit. What is the error in saying the source of electrons in a circuit is the battery or generator? The source of the electrons in a circuit is the […]

Could 8.8 cm 8.0 cm and 8.8 cm be the side lengths of a triangle? Answer Expert Verified yes it is possible to have a triangle with 8.8 cm, 8.0 cm and 8.8 cm. Step-by-step explanation: Condition on sides of triangle: The triangle inequality states that the sum of the lengths of any two sides […]

Why are objects Coloured? Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours. The colours we see are the wavelengths that are reflected or transmitted. White objects appear white because they reflect all colours. Black objects absorb all colours so no light is reflected. Why is red the […]

What is the net external force on an object in free fall? The net external force is just the weight of the object (F = W). Substituting into the second law equation gives: a = W / m = m * g / m = g . The acceleration (change of velocity) of the object […]

Why diesel engines are called CI engines? Diesel engines are sometimes called compression-ignition engines because initiation of combustion relies on air heated by compression rather than on an electric spark. In a diesel engine, fuel is introduced as the piston approaches the top dead centre of its stroke. What is the difference between SI & […]

How do you decline a kiss? Let the person down easy. Look for a way to respectfully and tactfully decline. Try saying, “I’m sorry, but I’m not romantically interested in you.” Say, “I love our friendship, but I’m not ready to take it to the next level.” Say, “Thank you, but no thank you,” or […]

What do you call a substance dissolved any solution? When one substance dissolves into another, a solution is formed. A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Is caffeine a solute? Coffee […]

How liquid is measured? noun. the system of units of capacity ordinarily used in measuring liquid commodities, as milk or oil. English system: 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon. Metric system: 1,000 milliliters = 1 liter; 1,000 liters = 1 kiloliter (= 1 cubic meter). How […]

Is it better to get fit before playing sports or play sports to get fit? Being fit is very important to overall health. However, when looking at sports performance the goals tend to be more specific and the level of training higher. Just by being fit does not necessarily mean that one is ready for […]