Physics, 26.06.2019 17:00 doodlean4969
If the work done to stretch an ideal spring by 4.0 cm is 6.0 j, what is the spring constant (force constant) of this spring?
Answers: 1
Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere
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Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Physics, 23.06.2019 02:00
How does the formation of intrusive and extrusive igneous rocks differ?
Answers: 3
If the work done to stretch an ideal spring by 4.0 cm is 6.0 j, what is the spring constant (force c...
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