electron mass, assume that the proton remains at rest. By calculating the work done on the electron by the electrostatic force, determine the distance between the two particles when the electron instantaneously has speed 3vj. An electron is projected with an initial speed v = 2.95 x 105 m/s directly toward a very distant proton that is at rest. Because the proton mass is large relative to the Unitsnm Number To.o000000000000735

electron mass, assume that the proton remains at rest. By calculating the work done on the electron by the electrostatic force, determine the distance between the two particles when the electron instantaneously has speed 3vj. An electron is projected with an initial speed v = 2.95 x 105 m/s directly toward a very distant proton that is at rest. Because the proton mass is large relative to the Unitsnm Number To.o000000000000735

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The KE of the protons is used to kill cells in the tumor. For one patient, it is desired to deposit 0.1 J of proton energy into a tumor. To create the beam, proton at rest are accelerated through a potential difference of 10 MV (megavolts). a) What is the KE of a single proton fired at the tumor? b) How many protons must be fired at the tumor? ans. 6.25×1010 protons
A proton's speed as it passes point A is 4.00×104 m/s. It follows the trajectory shown in the figure. What is the proton's speed at point B?
A negative hydrogen ion (1 proton and 2 electrons) at rest is at a 0V potential.The hydrogen ion is placed in an electrostatic accelerator with variable potential. The central terminal of the accelerator has a potential of 2 million volts. Determine the kinetic energy acquired by the ion when it is subjected to this potential difference. (Express the results in joules and electron volts)
Q8. Assume the electric potential at the negatively charged plate is zero. Clearly show all work! a) A charged particle A with charge + 0.020 C and mass 3.0x10-8 kg is at rest as shown next to the positive plate which has electric potential of 120 V. What is its kinetic energy when it reaches the negatively charged plate? What is its speed? b) Another charged particle B with charge + 0.060 C and mass 3.0x10-8 kg is at rest as shown. What is its kinetic energy when it reaches the negatively charged plate? What is its speed? c) A third charged particle C (not shown) with charge 0.070 C and mass 3.0x10-8 kg is at rest in the middle of the two parallel plates. How much work is needed to move it to the positively charged plate? Is the work positive or negative? 0 0 0 0 0 0 0 0
Consider two points in an electric field. The potential at point 1, V1, is 48 V. The potential at point 2, V2, is 153 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a) Write an equation for the change of electric potential energy ΔU of the electron in terms of the symbols given. Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). ΔU = Part (c) Express v2, the speed of the electron at point 2, in terms of ΔU, and the mass of the electron me. v2 = Part (d) Find the numerical value of v2 in m/s. v2 =
Homework Q.1
A newly discovered light positively charged particle has a mass of m and charge q. Suppose it moves within the vicinity of an extremely heavy (fixed in place) particle with a positive charge Q and mass M. When the light particle is xi distance from the heavy particle, it is moving directly away from the heavy particle with a speed of vi. a) What is the lighter particle's speed when it is xf away from the heavy particle? (Consider the Newtonian Gravitation acting between the two charged particles. Ignore the effects of external forces)
A 60 gm mass with a horizontal velocity of 50 cm/s collides with an 85 g mass at rest. After collision, the 60 g mass travel 300 below the horizontal and the 85 g mass travels 450 above the horizontal. Find the speed of each mass after impact.
The distance, r, between the proton and electron in the hydrogen atom is about 1010 m. Determine the value of the kinetic energy of the electron. Provide your answer in electron-volts (eV).
Two protons are at a distance of 2.7 X 10-15 m from each other. What is the potential energy of the two protons? Use scientific/exponential notation to input your answer. Eg., 0.0001 can be written as 1.0e-4 or as 1.0E-4. Spaces not allowed. Answer format: Example: 2.1e1 J
Suppose an electron is accelerated from rest through a potential difference of 100,000 volts. Determine the electron's final kinetic energy, speed, and momentum (a) ignoring relativistic effects and (b) including relativistic effects.
Two protons are at a distance of 5.1 ✕ 10-15 m from each other. What is the potential energy of the two protons? Use scientific/exponential notation to input your answer. Eg., 0.0001 can be written as 1.0e-4 or as 1.0E-4. Spaces not allowed. Answer format: <value><unit> Example: 2.1e1 J