Physics, 12.01.2021 15:30 sbailey0962
WILL MARK BRAINLIST IIF U GIVE ME CORRECT ANSWERS
NEED ANSWERS FOR THESE 2 QUESTIONS ASAPPP
1.The greater the frequency, the energy carried by the wave.
a. more
b. less
2.Wave with high frequency has a energy and wavelength.
a. high and long
b. low and low
C. high and low
d. low and high
Answers: 3
Physics, 22.06.2019 03:30
As part of an industrial process, air as an ideal gas at 10 bar, 400k expands at steady state through a valve to a pressure of 4 bar. the mass flow rate of air is 0.5 kg/s. the air then passes through a heat exchanger where it is cooled to a temperature of 295k with negligible change in pressure. the valve can be modeled as a throttling process, and kinetic and potential energy effects can be neglected. (a) for a control volume enclosing the valve and heat exchanger and enough of the local surroundings that the heat transfer occurs at the ambient temperature of 295 k, determine the rate of entropy production, in kw/k. (b) if the expansion valve were replaced by an adiabatic turbine operating isentropically, what would be the entropy production? compare the results of parts (a) and (b) and discuss.
Answers: 3
Physics, 22.06.2019 23:30
Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s
Answers: 2
Physics, 23.06.2019 00:10
Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
Answers: 2
Physics, 23.06.2019 06:30
If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
Answers: 1
WILL MARK BRAINLIST IIF U GIVE ME CORRECT ANSWERS
NEED ANSWERS FOR THESE 2 QUESTIONS ASAPPP
Mathematics, 05.10.2021 16:10
Mathematics, 05.10.2021 16:10
History, 05.10.2021 16:10
Biology, 05.10.2021 16:20
Chemistry, 05.10.2021 16:20
Mathematics, 05.10.2021 16:20
Health, 05.10.2021 16:20
Biology, 05.10.2021 16:20
Mathematics, 05.10.2021 16:20
Mathematics, 05.10.2021 16:20
Computers and Technology, 05.10.2021 16:20
English, 05.10.2021 16:20
Mathematics, 05.10.2021 16:20
History, 05.10.2021 16:20