(07.01 MC) Look at the figure below: An image of a right triangle is shown with an angle labeled y degrees. If sin y° = 9 divided by c and tan y° = 9 divided by d, what is the value of cos y°? (6 points) Question 2 options: 1) cos y° = 9c 2) cos y°= c divided by d 3) cos y°= d divided by c 4) cos y° = 9d

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we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v

70.30

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