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Physics, 23.06.2019 00:30
Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
Physics, 23.06.2019 06:00
Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope
Answers: 3
Physics, 23.06.2019 11:30
Match the lithification processes. 1. contact pressure causing grains to "grow" together 2. increase in density due to weight of overburden 3. precipitation of bonding agents between grains a. recrystallization b. cementation c. compaction
Answers: 1
Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction o...
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