The electron orbiting the proton in the hydrogen atom is at a distance of 5.3 × 10 m. What is the magnitude of the electric force between the proton and the electron? 8.2 x 10-12 N 1.6 × 10-19 N 2.7 x 102 N 4.3 x 10 17 N O 2.7 x 10-2 N
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- In the early 1900s, scientists modelled the hydrogen atom as an electron orbiting a proton. Like when we look at the Earth and Sun, we can consider the proton to be stationary, and the electron to be in orbit around the proton in a perfect circle. Unlike the Earth and Sun, the force responsible for the circular motion of the electron is the attractive electric force between the proton and electron. All other forces can be ignored. Experiments showed that the electron's orbital radius was 5.29x10^-11m. a) Calculate the speed of the electron in its orbit. b) Show that the circumference of the electron's orbit (2 times pi times radius) is about equal to the electron's De Broglie wavelength at that speed. Electron: mass = 9.11x10^-31kg, charge = -1.60x10^-19C. Proton: mass = 1.67x10^-27kg, charge = +1.60x10^-19C. Coulomb's constant: k = 9.00x10^9 Nm^2/C^2 Planck's constant: h = 6.63x10^-34 JsAn object has a mass of 13.6 kg. You separate the protons and electrons into two boxes like in the previous question. You place the boxes at a distance of 35 m apart from one another. How much force attracts the two boxes to one another? 1.24E+25 N 1.56E+24 N 3.11E+24 N 6.22E+24 NA point charge q = +0.82 nC is fixed at the origin. At what distance a proton must be placed in order for the electric force acting on the proton to be exactly opposite to its weight? Group of answer choices 8480 m 1010 m 7640 m 5010 m
- What is the total energy stored in the following 3-charge system? 2 nC + 2 cm 2 cm -1 nC Ο 22.5 μ Ο 1.8 μ O -0.45 μJ O 0.45 W Ο -22.5 μ 2 cm + 1 nCA hydrogen atom contains a single electron that moves in a circular orbit about a single proton. Assume the proton is stationary, and the electron has a speed of 7.6 105 m/s. Find the radius between the stationary proton and the electron orbit within the hydrogen atom.What is the electrical force between the proton of a hydrogen atom and the electron of the hydrogen atom if they are 5.9x10-6m apart?
- 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 || %3DOne electron is on the ground. Another electron is in the air, and is at the exact location where the upward force of repulsion between the two charges is equal in magnitude to the weight of the electron. What is the distance between the electrons? ANSWER O DOOG O 0.03 cm 200 m 0.4 mm 7 cm 5m I DON'T KNOW YET— 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^2
- Two charges (Q1=4.9x10-9C and Q2=-6x10-8C) are separated by 0.05m. What is the electrical force between them?Electric forces between two charged objects tend to be much stronger in magnitude than the attractive gravitational force between them. Two particles of masses 7.61 kg and 9.37 kg and charges 9.17 μC and -6.51 µC respectively are separated by a distance 11.1 cm. Find the magnitude of the ratio of the gravitational to electric forces between them. ratio =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 Units