What would happen if an electron was added to an atom?
Question 2 options:
I...
Physics, 05.03.2020 19:25 stephaniedoffing
What would happen if an electron was added to an atom?
Question 2 options:
It would become a different atom.
Its charge would increase by 1
It would add to the mass by 1.
The charge would be reduced by 1.
Answers: 2
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The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
Answers: 1
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Four identical lab carts each have a mass of 200 kg. different masses are added to the carts and the velocities are measured. all carts move to the right.
Answers: 3
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People with normal vision cannot focus their eyes underwater if they aren't wearing a face mask or goggles and there is water in contact with their eyes. in a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina.with the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 2.05cm in front of the eye.)
Answers: 3
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