Question

An electron enters a region between two large parallel plates made of aluminum separated by a distance of 2.6 cm and kept at a potential difference of 121 V. The electron enters through a small hole in the negative plate and moves toward the positive plate. At the time the electron is near the negative plate, its speed is 4.1 ×10$^5$m/s. Assume the electric field between the plates to be uniform. Part 1: a. Draw the electric field between the plates b. Draw equipotential surfaces between the plates Part 2: a. Calculate the magnitude of the electric field between the plates. Include/write all formulas used. b. Calculate the change in potential energy of the electron in moving from the negative to the positive plate. Include/write all formulas used. c. Find the speed of electron immediately before it hits the positive plate. Show the physics approach and solve for the speed symbolically before entering numerical values. Include/write all formulas used. Note: Need symbolic solution and also the numerical values. NOTE: V is the voltage between the plates and $v$ is the speed of the electron. Charge on an electron $e = -1.6 \times 10^{-19}$ C Mass of an electron $m = 9.1 \times 10^{-31}$ kg d, V +

          An electron enters a region between two large parallel plates made of aluminum separated by a
distance of 2.6 cm and kept at a potential difference of 121 V. The electron enters through a small
hole in the negative plate and moves toward the positive plate. At the time the electron is near the
negative plate, its speed is 4.1 ×10$^5$m/s. Assume the electric field between the plates to be uniform.
Part 1:
a. Draw the electric field between the plates
b. Draw equipotential surfaces between the plates
Part 2:
a. Calculate the magnitude of the electric field between the plates. Include/write all formulas used.
b. Calculate the change in potential energy of the electron in moving from the negative to the
positive plate. Include/write all formulas used.
c. Find the speed of electron immediately before it hits the positive plate. Show the physics
approach and solve for the speed symbolically before entering numerical values. Include/write
all formulas used. Note: Need symbolic solution and also the numerical values.
NOTE: V is the voltage between the plates and $v$ is the speed of the electron.
Charge on an electron $e = -1.6 \times 10^{-19}$ C
Mass of an electron $m = 9.1 \times 10^{-31}$ kg
d, V
+

An electron enters a region between two large parallel plates made of aluminum separated by a
distance of 2.6 cm and kept at a potential difference of 121 V. The electron enters through a small
hole in the negative plate and moves toward the positive plate. At the time the electron is near the
negative plate, its speed is 4.1 ×10^5m/s. Assume the electric field between the plates to be uniform.
Part 1:
a. Draw the electric field between the plates
b. Draw equipotential surfaces between the plates
Part 2:
a. Calculate the magnitude of the electric field between the plates. Include/write all formulas used.
b. Calculate the change in potential energy of the electron in moving from the negative to the
positive plate. Include/write all formulas used.
c. Find the speed of electron immediately before it hits the positive plate. Show the physics
approach and solve for the speed symbolically before entering numerical values. Include/write
all formulas used. Note: Need symbolic solution and also the numerical values.
NOTE: V is the voltage between the plates and v is the speed of the electron.
Charge on an electron e = -1.6 × 10^-19 C
Mass of an electron m = 9.1 × 10^-31 kg
d, V
+

Added by Ismael M.

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