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27. The electric field strength between two parallel plates is 9.3 x 10² v/m when the plates are 7.0 cm apart. What would the electric field strength be if the plates were 5.0 cm apart? [1.3 x 10³ V/m]

27. The electric field strength between two parallel plates is 9.3 x 10² v/m when the plates are 7.0 cm apart. What would the electric field strength be if the plates were 5.0 cm apart? [1.3 x 10³ V/m]

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25. A proton is accelerated by a potential difference of 7.20 x 10? V. What is the change in kinetic energy of the proton? [1.15 x 1016 J] 26. An alpha particle gains 1.50 x 1015 J of kinetic energy. Through what potential difference was it accelerated? [4.69 x 10³ V] 27. The electric field strength between two parallel plates is 9.3 x 10² v/m when the plates are 7.0 cm apart. What would the electric field strength be if the plates were 5.0 cm apart? [1.3 x 103 V/m] 28. An electron is released from rest adjacent to the negative plate in a parallel plate apparatus. A potential difference of 500 V is maintained between the plates, and they are in a vacuum. With what speed does the electron collide with the positive plate? (1.3 x 10? m/s)
Transcribed Image Text:25. A proton is accelerated by a potential difference of 7.20 x 10? V. What is the change in kinetic energy of the proton? [1.15 x 1016 J] 26. An alpha particle gains 1.50 x 1015 J of kinetic energy. Through what potential difference was it accelerated? [4.69 x 10³ V] 27. The electric field strength between two parallel plates is 9.3 x 10² v/m when the plates are 7.0 cm apart. What would the electric field strength be if the plates were 5.0 cm apart? [1.3 x 103 V/m] 28. An electron is released from rest adjacent to the negative plate in a parallel plate apparatus. A potential difference of 500 V is maintained between the plates, and they are in a vacuum. With what speed does the electron collide with the positive plate? (1.3 x 10? m/s)
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