4) A proton (p) and electron (e) are released when they are separated by adistance dinitial acceleration for each particle, from one of the selections below.4 À (4 Angstroms). Calculate, and then find, the magnitude of the%3Da) a(p) = 8.63 x 107 m/s², a(e) = 1.58 x 1021 m/s²;b) a(p) = 3.4 x 10'8 m/s², a(e) = 6.3 x 10²' m/s²;c) a(p) = 4.315 x 1016 m/s², a(e) = 7.9 x 1020 m/s²; ord) a(p) = 3.45 x 1018 m/s², a(e) = 6.32 x 10²' m/s?.%3D%3D5) Two small spheres are placed a distance 20 cm apart and have equal charge.How many excess electrons must be placed on each sphere if the magnitude ofthe Coulomb repulsive force is F = 3.33 x 102' N?a) 2 x 103;b) 350;c) 761; ord) 1.2 x 10.

Since there are multiple questions posted, we will answer the first question. The initial…

Answered: 4) A proton (p) and electron (e) are…

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter9: Atomic Structure

Section: Chapter Questions

Problem 7P

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2.00 mol of the helium is confined to a 2.00-L container at a pressure of 11.0 atm. The atomic mass of helium is 4.00 u, and the conversion between u and kg is 1 u = 1.661 ××10−27 kg. 1)Calculate vrms. (Express your answer to three significant figures.)
1.You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Yourspaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with anapproximated density of 1 hydrogen atom/m3.(a) Calculate the time it takes your spaceship to reach Sirius.(b) Determine the mass of interstellar gas that collides with your spaceship during the mission.Note: Use 1.673 × 10−27 kg as proton mass.
4. Two deuterium (H) nuclei are travelling directly towards one another. When their separation is large compared with their diameters, they each have speed y as illustrated in Fig. 4.1. V deuterium nucleus deuterium nucleus Fig. 4.1 The diameter of a deuterium nucleus is 1.1 x 10-14 m. (a) Use energy considerations to show that the initial speed v of the deuterium nudlei must be approximately 2.5 x 106 m s-1 in order that they may come into contact. Explain your working.
Region 1 is x 0 with a = 4&. If E2 = 6a - 10a, + 8a. V/m, (a) find Pi, and P2, (b) calculate the energy densities in both regions.
5. In a one-dimensional device, the charge density is given by p(x) =o IfE =0 at x= 0 and V=0 at x = a (These are the boundary conditions) Find E and V dV start with Poisson Equation V?y P() dx Hint: E !!
1. Consider an electron confined in a region of nuclear dimensions (about 5 fm). Find its minimum possible kinetic energy in MeV. Treat this problem as one-dimensional, and use the relativistic relation between E and p. Give your answer to 2 significant figures. (The large value you will find is a strong argument against the presence of electrons inside nuclei, since no known mechanism could contain an electron with this much energy.)
Two plates, illustrated below, are at OV and 10000 V, respectively, and are separated by a distance 10 cm. A ball of mass 2 g and charge 8 µC is fired towards the positive plate with an initial speed of v=4.0 m/s and initial position 3 cm to the right of the left plate. OV 10,000 V IIIIIIIIIIII 10 cm ++++++ +++ A) Plot V as a function of distance between the two plates. Draw several equipotential lines on the schematic above. B) What is the magnitude of the electric field between the two plates? Please draw several vectors to indicate the direction of the E field. C) How far to the right does the charge travel? What prevents it from moving any further?
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Yourspaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with anapproximated density of 1 hydrogen atom/m3.
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Yourspaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with anapproximated density of 1 hydrogen atom/m3.(a) Calculate the time it takes your spaceship to reach Sirius.(b) Determine the mass of interstellar gas that collides with your spaceship during the mission.
b) Find E at (0,4,0) P, = 2 mC 2 (0 4, 0)
You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Yourspaceship can travel with 70% the speed of light and has a cylindrical shape with a diameter of6 m at the front surface and a length of 25 m. You have to cross the interstellar medium with anapproximated density of 1 hydrogen atom/m3.(a) Calculate the time it takes your spaceship to reach Sirius.(b) Determine the mass of interstellar gas that collides with your spaceship during the mission.Note: Use 1.673 × 10−27 kg as proton mass. Because you are moving with an enormous speed, your mission from the previous problem will be influenced by the effects of time dilation described by special relativity: Your spaceshiplaunches in June 2020 and returns back to Earth directly aer arriving at Sirius.(a) How many years will have passed from your perspective?(b) At which Earth date (year and month) will you arrive back to Earth?
x = x₁ + vot + 1²/1at², v = v₁ + at, (v²) = (v₂)² + 2a^x, (νο)2 2 1 Ax = (0+¹) At, Atrapezoid = (₁+²) h, Atriangle = bh 2 2 Introduction to the Problem On December 8, 2005 Southwest Airlines flight 1248, a Boeing 737-700 class jet with 103 persons aboard, attempted to land on a snow-covered runway at Chicago's Midway Airport. Tragically, the attempt resulted in the death of a child on the ground, as the plane slid far enough beyond the runway to leave airport property and collide with a car (in which the child was a passenger) on the road beyond. Both the analysis and prevention of accidents such as this rely on the kinematics of one-dimensional motion. In this problem we will examine how the National Transportation Safety Board (NTSB) arrived at the conclusion that "the probable cause of a fatal runway overrun...was the pilots' failure to use available reverse thrust in a timely manner to safely slow or stop the airplane after landing." (NTSB press release SB-07-48). The NTSB report…

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