On a cold winter day when the temperature is β20βc, what amount of heat is needed to warm to body temperature (37 βc) the 0.50 l of air exchanged with each breath? assume that the specific heat of air is 1020 j/kgβ k and that 1.0 l of air has mass 1.3Γ10β3kg.
Answers: 1
Physics, 21.06.2019 22:10
The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.
Answers: 2
Physics, 21.06.2019 22:20
1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?
Answers: 1
Physics, 22.06.2019 09:30
Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is itβs acceleration?
Answers: 1
Physics, 22.06.2019 17:00
Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
Answers: 3
On a cold winter day when the temperature is β20βc, what amount of heat is needed to warm to body te...
English, 03.12.2020 03:00
Mathematics, 03.12.2020 03:00
Chemistry, 03.12.2020 03:00
Mathematics, 03.12.2020 03:00
History, 03.12.2020 03:00
Mathematics, 03.12.2020 03:00
History, 03.12.2020 03:00
History, 03.12.2020 03:00
Mathematics, 03.12.2020 03:00
Mathematics, 03.12.2020 03:00