The shinkansen, the japanese "bullet" train, runs at high speed from tokyo to nagoya. riding on the shinkansen, you notice that the frequency of a crossing signal changes markedly as you pass the crossing. as you approach the crossing, the frequency you hear is f; as you recede from the crossing the frequency you hear is 2f/3.what is the speed of the train?
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 θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?
Answers: 1
Physics, 22.06.2019 06:00
Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
Answers: 1
Physics, 22.06.2019 15:30
The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?
Answers: 2
The shinkansen, the japanese "bullet" train, runs at high speed from tokyo to nagoya. riding on the...
Mathematics, 05.05.2020 03:02
Mathematics, 05.05.2020 03:02
Health, 05.05.2020 03:02
Mathematics, 05.05.2020 03:02
Mathematics, 05.05.2020 03:02
Chemistry, 05.05.2020 03:02
Social Studies, 05.05.2020 03:03
Mathematics, 05.05.2020 03:03
History, 05.05.2020 03:03
Mathematics, 05.05.2020 03:03
Mathematics, 05.05.2020 03:03
Mathematics, 05.05.2020 03:03
Spanish, 05.05.2020 03:03
Social Studies, 05.05.2020 03:03