Physics, 03.04.2020 03:08 notearslefttocry14
Which characteristic accounts for the fact that red lights are used in dark rooms and DO NOT expose negatives during developing?
small size
low energy
high energy
high velocity
Answers: 2
Physics, 22.06.2019 03:50
The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle Īø=0ā with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle Īø=30ā with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle Īø=45ā with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle Īø=60ā with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle Īø=90ā with the plane of polarization?
Answers: 1
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1Ć10ā9 c is suspended on a string in a uniform horizontal eā field. the string deviates to the right and makes an angle of 30ā with the vertical. part a part complete what information about the eā field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of eā only the direction of eā both the magnitude and the direction of eā none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 08:50
You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?
Answers: 2
Which characteristic accounts for the fact that red lights are used in dark rooms and DO NOT expose...
Mathematics, 24.03.2020 18:13
Mathematics, 24.03.2020 18:13
Mathematics, 24.03.2020 18:13
History, 24.03.2020 18:20
Mathematics, 24.03.2020 18:20
Mathematics, 24.03.2020 18:20
History, 24.03.2020 18:21