Physics, 16.02.2022 03:10 yadirahurtado4444
If a spring has a spring constant of 5 N/m and it is stretched 20 cm, what is the force of the Spring
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Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic
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Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?
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Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
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Physics, 23.06.2019 06:10
In 1859, charles darwin published the first edition of on the origin of species, which explained his observations of various groups of animals that showed great similarities but minor differences. darwin concluded that if a population of one species separates into two different populations that live in separate locations, then over the course of many generations the different populations can develop into different species. this idea predicted many future biological findings and became the basis of modern biology. darwin’s explanation for why different species exist is best described as a(n) law. theory. inquiry. hypothesis.
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If a spring has a spring constant of 5 N/m and it is stretched 20 cm, what is the force of the Sprin...
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