Leg 1 Swimming
Total distance: 3.0 km
Triathlete A's total time: 0.8 h
Tri...
Physics, 13.12.2021 21:40 lilquongohard
Leg 1 Swimming
Total distance: 3.0 km
Triathlete A's total time: 0.8 h
Triathlete B's total time: 1.0 h
Triathlete A's average speed =
Triathlete B's average speed =
Answers: 3
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Ahot-air balloon is drifting straight downward with a constant speed of 2.40 m/s. when the balloon is 7.63 m above the ground, the balloonist decides to drop one of the ballast sandbags to the ground below. how much time elapses before the sandbag hits the ground?
Answers: 1
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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?
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