Physics, 23.10.2021 09:10 sotocindy023
An airplane travels 2100 km at a speed of 1000 km/h. It then encounters a headwind which slows it to 800 km/h for the next 1300 km. What is the average speed for this plane trip?
Answers: 2
Physics, 22.06.2019 02:20
22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.
Answers: 2
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
Answers: 3
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 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
An airplane travels 2100 km at a speed of 1000 km/h. It then encounters a headwind which slows it to...
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
English, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Mathematics, 11.12.2020 04:00
Chemistry, 11.12.2020 04:00