Physics, 22.10.2019 20:00 vaelriacb5317
Arunner is jogging at a steady 8.5 km/hr. when the runner is 3.8 km from the finish line, a bird begins flying from the runner to the finish line at 42.5 km/hr (5 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. maahi (aqm237) – utexas 1 - kinematics – jiang – (112244) 3 l vb vr finish line how far does the bird travel? even though the bird is a dodo, assume that it occupies only one point in space (a "zero" length bird) and that it can turn without loss of speed. answer in units of km. 020 (part 2 of 2) 10.0 points after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning (including the distance traveled to the first encounter)? answer in units of km
Answers: 3
Physics, 22.06.2019 04:10
An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?
Answers: 2
Physics, 22.06.2019 04:40
How is the gravitational force related to the distance between two objects?
Answers: 1
Physics, 22.06.2019 06:40
Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?
Answers: 2
Arunner is jogging at a steady 8.5 km/hr. when the runner is 3.8 km from the finish line, a bird beg...
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