subject
Physics, 11.11.2016 09:16 dpierc16

How many nanoseconds does it take light to travel a distance of 1.70km in vacuum?

ansver
Answers: 2

Another question on Physics

question
Physics, 02.02.2019 22:46
Aquartz crystal vibrates with a frequency of 27,621hz. what is the crystal’s motion?
Answers: 3
question
Physics, 01.02.2019 17:50
An internally reversible refrigerator has a modified coefficient of performance accounting for realistic heat transfer processes of where qin is the refrigerator cooling rate, qout is the heat rejection rate, and is the power input. show that copm can be expressed in terms of the reservoir temperatures tc and th, the cold and hot thermal resistances rt,c and rt,h, and qin, as where rtot rt,c rt,h. also, show that the power input may be expressed as 1.39 a household refrigerator operates with cold- and hot-temperature reservoirs of tc 5 c and th 25 c, respectively. when new, the cold and hot side resistances are rc,n 0.05 k/w and rh,n 0.04 k/w, respectively. over time, dust accumulates on the refrigerator’s condenser coil, which is located behind the refrigerator, increasing the hot side resistance to rh,d 0.1 k/w. it is desired to have a refrigerator cooling rate of qin 750 w. using the results of problem 1.38, determine the modified coefficient of performance and the required power input w under (a) clean and (b) dusty coil conditions. internally reversible refrigerator qout qin w high-temperature reservoir low-temperature reservoir th th,i tc,i tc high-temperature side resistance low-temperature side resistance w qin th tc qinrtot tc qinrtot copm tc qinrtot th tc
Answers: 2
question
Physics, 31.01.2019 17:00
Is the time in tennessee the same as florida
Answers: 1
question
Physics, 30.01.2019 16:50
Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material
Answers: 2
You know the right answer?
How many nanoseconds does it take light to travel a distance of 1.70km in vacuum?...
Questions
question
Computers and Technology, 27.02.2018 07:20
question
Chemistry, 27.02.2018 07:18
question
Biology, 27.02.2018 07:18
Questions on the website: 6551836