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Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 23:00
The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
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History, 11.03.2020 19:11
Computers and Technology, 11.03.2020 19:12
Arts, 11.03.2020 19:12
Mathematics, 11.03.2020 19:12
Computers and Technology, 11.03.2020 19:15
Mathematics, 11.03.2020 19:15