Why science is called science?

Why science is called science? In English, science came from Old French, meaning knowledge, learning, application, and a corpus of human knowledge. It originally came from the Latin word scientia which meant knowledge, a knowing, expertness, or experience. What is the function of science? Science is an integral part both of the material and economic […]

What are the dimensions of the quantity?

What are the dimensions of the quantity? The dimension of a physical quantity is defined as the powers to which the fundamental quantities are raised in order to represent that quantity. The seven fundamental quantities are enclosed in square brackets [ ] to represent its dimensions. What are the dimensions of the quantity 1? The […]

How do we calculate tension?

How do we calculate tension? Tension Formulas – How to Calculate Tension Force Tension can be easily explained in the case of bodies hung from chain, cable, string etc. T = W ± ma. Case (iv) If the body moves up or down with uniform speed, tension; T = W. T=m(g±a) As tension is a […]

How do astronomers detect dark matter?

How do astronomers detect dark matter? Galaxy clusters are particularly important for dark matter studies since their masses can be estimated in three independent ways: From the scatter in radial velocities of the galaxies within clusters. From X-rays emitted by hot gas in the clusters. Is dark matter invisible? Scientists have not yet observed dark […]

How does a fan convert energy?

How does a fan convert energy? (The fan’s blades move air around the room. The kinetic energy of the moving blades does work in moving air through the fan blades.) The fan converts electric energy into kinetic energy that does work, and it converts some electric energy into heat.) What does a fan do to […]

What is a good salary for a scientist?

What is a good salary for a scientist? The average Scientist salary in the United States is $108,279 as of April 27, 2021. The range for our most popular Scientist positions (listed below) typically falls between $46,758 and $169,800. What type of scientist makes the most money? There are dozens of career specializations in science, […]

Does condensation need heat?

Does condensation need heat? Latent heat is the heat energy required to change a substance from one state to another. Energy is required to change from solid to liquid, liquid to gas (evaporation), or solid to gas (sublimation). Energy will be released to change from liquid to solid (fusion), gas to liquid (condensation), or gas […]

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