Physics, 03.12.2021 01:00 sunshinekisses
According to the law of conservation of momentum
A. total angular momentum is unchanged, it means an orbiting object must orbit at the same speed when it's far from the object it orbits around
B. when an object rotates or orbits, it will eventually stop because of friction
C. total angular momentum is unchanged, it means an orbiting object must orbit faster when it's far from the object it orbits around
D. total angular momentum is unchanged, it means an orbiting object must orbit faster when it's near the object it orbits around
Answers: 1
Physics, 22.06.2019 05:40
Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.
Answers: 3
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 19:30
Emagnitude of the electrical force acting between a +2.4 × 10–8 c charge and a +1.8 × 10–6 c charge that are separated by 0.008 m is n, rounded to the tenths place.
Answers: 3
According to the law of conservation of momentum
A. total angular momentum is unchanged, it means...
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