Questions and task on the subject: Physics

Physics
Physics, 19.06.2021 21:10
A physical system is in the state |α> = cos(α)|+> + sin(α)|->. Two observables  = a(|+><+| + |-><-|) + b(|+><-| + |-><+|) e B = a(|+><+| - |...
Physics
Physics, 19.06.2021 20:50
Which one of the following is most likely to lose electrons when forming an ion? Kr С Se Zr...
Physics
Physics, 19.06.2021 20:50
here are several ways to model a compound. One type of model is shown. A central C attached to 3 C's by 1 line each, each of the 3 C's being attached to 3 H's by a 1 line each. The...
Physics
Physics, 19.06.2021 20:50
Questão de mecânica quântica ...
Physics
Physics, 19.06.2021 20:50
I have my exam monday I need some help! A man standing on a dock is watching the waves pass by the end of the dock. He times the passage of the waves as one crest every 2.5 s. He...
Physics
Physics, 19.06.2021 20:30
Name the South African that formulated the theory of slope/parallel retreat​...
Physics
Physics, 19.06.2021 20:20
Light is described as having a dual wave-particle nature. Which piece of evidence provides support for the model of light as a particle? Young's double slit experiment showed tha...
Physics
Physics, 19.06.2021 20:20
What is an example of a series circuit...
Physics
Physics, 19.06.2021 20:20
the distance between two train stations is 30 km. a locomotive starting from one station gave the train an acceleration that made it reach 72km/h in 40seconds and this acceleration...
Physics
Physics, 19.06.2021 20:00
The young modulus of an elastic material is 2.5×10 raised to power 3 newton per meter square. What magnitude of load will cause an extension of 200 cm in 20cm length of the materia...
Physics
Physics, 19.06.2021 19:40
Please help me to do this problem ...
Physics
Physics, 19.06.2021 19:40
CR Physical Science B (GP) 20-21 / 1 Motion 1. A distance-time graph indicates that an object travels 2 m in 2 s and then travels another 80 m during the next 40 s. What is...
Physics
Physics, 19.06.2021 19:40
Eleri plugs in her laptop and notices that the power rating on her charger is 60 W. How much does it cost if Eleri uses her laptop for 5 hours? The cost of 1 kWh is 12p...
Physics
Physics, 19.06.2021 19:30
A photon with a frequency of 5.02 × 1014 hertz is absorbed by an excited hydrogen atom. This causes the electron to be ejected from the atom, forming an ion. Calculate the energy o...
Physics
Physics, 19.06.2021 19:30
A 15.0 kilogram cart initially traveling at 2.0 meters per second east accelerates uniformly at 0.75 meter per second squared east for 6.0 seconds. What is the speed of the cart...
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