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Physics, 22.06.2019 01:30
An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3
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Physics, 22.06.2019 06:00
What are atoms of the same element with varying number of neutrons
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Physics, 22.06.2019 06:20
Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.
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Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Mathematics, 06.10.2019 23:30
History, 06.10.2019 23:30
Mathematics, 06.10.2019 23:30
Mathematics, 06.10.2019 23:30
Mathematics, 06.10.2019 23:30
Physics, 06.10.2019 23:30
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Health, 06.10.2019 23:30
Mathematics, 06.10.2019 23:30