College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:A proton and an electron are moving due east in a constant electric field that also points due east. The electric field
has a magnitude of 6.0 × 104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
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- An electron and a proton are separated by a distance of 1.9 x 10-10 m (roughly the diameter of a single atom). The masses of the electron and proton are me = 9.11 x 10- kg and 1.673 × 10-2' kg, respectively. The elementary charge mp e = 1.602 x 10-19 C. The universal gravitational constant G = 6.67 x 10 N-m²/kg² and the coulomb constant k = 8.988 × 10° N-m²/C2. What is the magnitude F, of the electric force between the electron and the proton? Fe= N. What is the magnitude F, of the gravitational force between the electron and the proton? Fg In this scenario, how many times stronger is the electric force than the gravitational force? Fe Fg about us privacy policy terms of use contact us help careers || %3Darrow_forwardA positively charged particle of mass 1.92 x 10-27 kg initially moves left to right long the x axis at a speed of 4.02 x 103 m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.41 m before coming to rest. What acceleration magnitude does the particle experience? (Ignore gravity) Round your answer to 2 decimal places.arrow_forwardA proton is initially moving to the right when it enters a uniform electric field directed upwards. Which trajectory shown below will the proton follow? p V AX AY KE W AZ O trajectory Z trajectory W O trajectory Y O trajectory Xarrow_forward
- — Your answer is partially correct. Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occurring electrons is removed. The radius of the orbit is 2.92 × 10-¹1 m. Determine the magnitude of the electron's centripetal acceleration. Number i 5.9E23 Units m/s^2arrow_forwardParticle 1 has mass 8.67 kg and charge 6.51 C. Particle 2 has mass 9.05 kg and charge 9.76 C. If these particles are placed a distance 1.45 m from each other, what is the magnitude of the force that particle 1 exerts on particle 2? Answer in units of N.arrow_forwardHelp me answer this question please. An electron is projected horizontally at a speed of 2.5 x 10*6 m/s between two plates. metal parallel I = 7.5 cm in length as shown in the figure below. The greatness of electric field is 130 N/C. Determined : a) Acceleration of the electron b) The time it takes to escape from the metal plates c) The final vector velocity of the electron as it escapes from the platesarrow_forward
- provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occurring electrons is removed. The radius of the orbit is 3.09 × 10-11 m. Determine the magnitude of the electron's centripetal acceleration.arrow_forwardAn electron is circularly orbiting a proton. The magnitude of acceleration of the electron is 1.44×10–8 m/s2 . What is the electron’s orbital radius?arrow_forwardA uranium ion and an iron ion are separated by a distance of ?=57.10 nm, as shown in the figure. The uranium atom is singly ionized; the iron atom is doubly ionized. Calculate the distance ? from the uranium atom at which an electron will be in equilibrium. Ignore the gravitational attraction between the particles. ?= What is the magnitude ?U of the force on the electron from the uranium ion?arrow_forward
- Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occurring electrons is removed. The radius of the orbit is 2.92 × 10-¹¹ m. Determine the magnitude of the electron's centripetal acceleration. Number Unitsarrow_forwardA proton is projected in the positive x direction into a region of uniform electric field E = (-6.20 × 105) ↑ N/C at t = 0. The proton travels 7.90 cm as it comes to rest. (a) Determine the acceleration of the proton. m/s² magnitude direction -X (b) Determine the initial speed of the proton. m/s magnitude direction +X ✓ ✓ (c) Determine the time interval over which the proton comes to rest.arrow_forwardA (closed) system contains charges, Q₁ = 2.94 C, Q₂ = -3.64 C and Q3 = -1.52 C. What is the net charge in this system?arrow_forward
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