Answers: 1
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 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
Physics, 22.06.2019 17:30
Describe cytokinesis in plants and animals. in animals: in plants.
Answers: 2
What is surface tension ...
Mathematics, 28.06.2019 04:00
Health, 28.06.2019 04:00
Physics, 28.06.2019 04:00
History, 28.06.2019 04:00
Mathematics, 28.06.2019 04:00
Social Studies, 28.06.2019 04:00
Physics, 28.06.2019 04:00
Mathematics, 28.06.2019 04:00
Mathematics, 28.06.2019 04:00
Health, 28.06.2019 04:00
History, 28.06.2019 04:00
Physics, 28.06.2019 04:00
Chemistry, 28.06.2019 04:00