Physics, 19.03.2020 23:31, Itsyourgirllulu

What is the direction of the magnetic field b⃗ a at point a?

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Physics, 21.06.2019 20:20, acsmelis

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Physics, 21.06.2019 21:30, raieliz1414

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

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Physics, 22.06.2019 03:30, Bryanguzman2004

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

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Physics, 22.06.2019 10:40, rainbowboi

As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.