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Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
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Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
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Physics, 22.06.2019 14:00
Often called simply "velocity," this is the velocity of an object at a particular moment in time.
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Physics, 22.06.2019 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
History, 10.11.2020 21:30
Mathematics, 10.11.2020 21:30
English, 10.11.2020 21:30
History, 10.11.2020 21:30
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Chemistry, 10.11.2020 21:30
Mathematics, 10.11.2020 21:30
English, 10.11.2020 21:30
Mathematics, 10.11.2020 21:30
Mathematics, 10.11.2020 21:30