Physics, 21.03.2021 18:30, Ciarrathereal
The labourers use a wooden plank to load heavy pieces of wood into a truck. Give reason.β
Answers: 2
Physics, 22.06.2019 06:40, PerfectMagZ
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 ΞΈ_1=20.8β with the incident electric field. polarizer b has its axis at an angle of ΞΈ_2=63.0β 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
Physics, 22.06.2019 15:30, sandra5456
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
Physics, 23.06.2019 09:00, lindasuebairdoyjpf7
Momentum lab this lab uses a phet simulation. navigate to the phet momentum simulation. if you donβt see the image below when you click on the link, then you need to either enable adobe flash (click on the puzzle piece on your screen) or you need to install adobe flash (this is a free program). change the vectors to be momentum vectors only. they are yellow. make the mass of both balls the same. hit play and notice what happens to the momentum vectors before and after the collision. you might want to play the sim multiple times. click on restart or return balls to start over. to see numbers, check the show values box (inside the green box). redβs momentum vector before the collision is greenβs momentum vector after the collision. question 1 options: shorter than longer than equal to question 2 (1 point) saved since green bounces off red, this must be an collision. question 2 options: explosion inelastic elastic question 3 (1 point) red transfers of its momentum to green during the collision. question 3 options: little all most none question 4 (4 points) why does red transfer all its momentum to green? back up your answer with information from the simulation. write at least 2 sentences.
Answers: 1
Physics, 23.06.2019 16:20, SmokeyRN
Amagnetically soft material is placed in a strong magnetic field. what is the most likely outcome? it will become a permanent magnet because the domains will remain aligned. it will become a temporary magnet because the domains will remain aligned. it will become a permanent magnet because the domains will easily realign. it will become a temporary magnet because the domains will easily realign.
Answers: 2
The labourers use a wooden plank to load heavy pieces of wood into a truck. Give reason.β...
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