Physics, 12.07.2019 20:40 chanel2013
A3.95 kg mass attached to a spring oscillates with a period of 0.365 s and an amplitude of 19.0 cm.
(a) find the total mechanical energy of the system.
(b) find the maximum speed of the mass.
Answers: 3
Physics, 21.06.2019 22:10
How would doubling the made of an object change the objects potential energy
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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
A3.95 kg mass attached to a spring oscillates with a period of 0.365 s and an amplitude of 19.0 cm.<...
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