A constant electric field accelerates a proton from rest through a distance of 1.40 m to a speed of 1.97 ✕ 105 m/s. (The mass and charge of a proton are mp = 1.67 ✕ 10−27 kg and qp = e = 1.60 ✕ 10−19 C.) HINT (a) Find the change in the proton's kinetic energy (in J). J (b) Find the change in the system's electric potential energy (in J). J (c) Calculate the magnitude of the electric field (in N/C).

A constant electric field accelerates a proton from rest through a distance of 1.40 m to a speed of 1.97 ✕ 105 m/s. (The mass and charge of a proton are mp = 1.67 ✕ 10−27 kg and qp = e = 1.60 ✕ 10−19 C.) HINT (a) Find the change in the proton's kinetic energy (in J). J (b) Find the change in the system's electric potential energy (in J). J (c) Calculate the magnitude of the electric field (in N/C).

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter28: Special Relativity

Section: Chapter Questions

Problem 70PE: Unreasonable Results A proton has a mass of 1.671027 kg. A physicist measures the proton's total...

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A constant electric field accelerates a proton from rest through a distance of 1.40 m to a speed of 1.97 ✕ 10⁵ m/s. (The mass and charge of a proton are

m_p = 1.67 ✕ 10⁻²⁷ kg

and

q_p = e = 1.60 ✕ 10⁻¹⁹ C.)

HINT

(a)

Find the change in the proton's kinetic energy (in J).

(b)

Find the change in the system's electric potential energy (in J).

(c)

Calculate the magnitude of the electric field (in N/C).

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