What is the doppler effect? (2 points) select one: a. the apparent change in frequency of waves due to the motion of a source b. the change in wave speed when it changes mediums c. the electricity created by light waves d. the change in wavelength when visible light strikes a prism
Answers: 3
Physics, 22.06.2019 08:30
Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
Answers: 3
Physics, 22.06.2019 13:00
4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
Answers: 1
Physics, 22.06.2019 19:50
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
Answers: 1
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bobโs trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bobโs trajectory.
Answers: 1
What is the doppler effect? (2 points) select one: a. the apparent change in frequency of waves du...
Mathematics, 21.04.2021 22:40
Mathematics, 21.04.2021 22:40
Mathematics, 21.04.2021 22:40
Health, 21.04.2021 22:40
Chemistry, 21.04.2021 22:40
Biology, 21.04.2021 22:40
Mathematics, 21.04.2021 22:40
Mathematics, 21.04.2021 22:40
Business, 21.04.2021 22:40
Arts, 21.04.2021 22:40
Mathematics, 21.04.2021 22:40
Arts, 21.04.2021 22:40
Arts, 21.04.2021 22:40
English, 21.04.2021 22:40