Physics, 24.03.2020 22:58 miyocoilo07049
(a) Assume an electron in the ground state of the hydrogen atom moves at an average speed of 5.00 × 106 m/s. If the speed is known to an uncertainty of 1 percent, what is the minimum uncertainty in its position
Answers: 3
Physics, 22.06.2019 06:40
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 θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ 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 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
Answers: 1
Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
Answers: 1
Physics, 23.06.2019 05:10
How do the forces acting on a boat compare to the force acting on a plane ?
Answers: 2
(a) Assume an electron in the ground state of the hydrogen atom moves at an average speed of 5.00 ×...
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