lab 6

Electrons in an electron microscope are accelerated to 2.1 x 108m/s.a. Use the Newtonian formula to calculate the kinetic energy. By what factor does this understate the actual kinetic energy?b. What is the total energy of the electrons?

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4 Synchronous orbit* Find the radius of the orbit of a synchronous satellite that circles the Earth. (A synchronous satellite goes around the Earth once ev- ery 24 h, so that its position appears stationary with respect to a ground station.) The simplest way to find the answer and give your results is by expressing all distances in terms of the Earth's radius Re.

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Relativity might seem far removed from daily life, but even some older technologies had to take it into account. The electrons that draw the picture on the screen in an old-fashioned television set are accelerated through a potential difference of 17 kV.a. Calculate the speed of the electrons using the Newtonian formula for kinetic energy.b. Calculate the speed of the electrons using the relativistic formula for kinetic energy.c. By what factor does the Newtonian result exceed the relativistic result?

A proton is accelerated through a potential difference such that its kinetic energy is 80% of its total energy. d. What is the kinetic energy of the proton? e.What is the total energy of the proton? f.What is the momentum of the proton?

1. When the charged particle is negative, the direction of the magnetic force is opposite to the one the right-hand rule suggests a. True b. False 2. What is Lorentz Force? a. Force on a charged particle due to electric field b. Force on a charged particle due to magnetic field c Combined force on a charged particle due both electric and magnetic fields d. Combined force on a charged particle due both static and magnetic fields 3. Which of the following is the correct formula to determine the magnetic force on a uniform current-carrying wire? a. F= Lsin0b. F = BLsin0c. F = ILcos0d. F = BILsin0

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M Gmail O YouTube A Maps O RCAP QUESTION 2 Problem A new type of force was discovered by physicists with the following expression: α Fnew + Be* + 3x^ where alpha & beta are constants, and x is the position. The expression above was obtained from the interaction of a massless Higg s Boson (a type of particle) and a black hole. Quantum physicists then decides to design and build a machine that is able to move the Higgs Boson from x2 to x1. How much work should the machine do to achieve this feat? (For simplicity, consider that no energy is lost in the process) Solution To determine the work done we apply the following W = Fx dx Evaluating the above, we get W = aln | x beta e X 3/5 5 for the limits from x¡ to xf substituting x1 and x2 as the limits, the work done is expressed as W = | + X1 e ( x15 x2 ) x2 MacBook Pro

A 0.35 kg stuffed animal is launched from a stationary balloon as shown in the image. 25 m 42° v-19 m/s Range a) Determine the time of flight. b) What is the velocity of the stuffed animal right before it hits the ground?

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How did Einstein resolve the conflict between Maxwell’s equations and Newtonian mechanics? A. He developed the general theory of relativity for the explanation of gravity. B. He made the Newtonian laws applicable in all inertial frames of reference. C. He revised the laws of Newtonian mechanics to fit Planck’s quantum theory. D. He changed the Galilean conception of relativity to general theory of relativity.

A proton is accelerated through a potential difference such that its kinetic energy is 80% of its total energy. a. What is the gamma-factor for the proton? b.What is the speed of the proton? c.What is the rest energy of the proton? d. What is the kinetic energy of the proton? e.What is the total energy of the proton? f.What is the momentum of the proton?

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The class I'm taking is physics for scientists and engineers! I am completely stuck. Need help. I have attached the problem. Please view both attachments before answering. *****I need help with parts D and F please. ****** ***please use SI units and report the numeric part only for all answers!*** I have also attached the links to BOTH videos below. If you can please explain your answer so I can fully understand. Thank you so much! Link:  https://youtu.be/eK7dMnnElx8Link:  https://youtu.be/4IYDb6K5UF8

The highest-energy cosmic ray ever detected had an energy of about 3.0 x 1020 eV. Assume that this cosmic ray was a proton.a. What was the proton’s speed as a fraction of c?b. If this proton started at the same time and place as a photon traveling at the speed of light, how far behind the photon would it be after traveling for 1 ly?

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Figure 1 shows a square coil of side 4.5 cm. A battery is connected to the coil and produces a current of 6.8 A. The coil is placed in a uniform magnetic field of flux density 5.67 mT as shown in Figure 1. A D 0o Figure 1 Calculate the size and direction of the electromagnetic force that will act on side AB. Calculate the size and direction of the electromagnetic force that will act on side BC. Describe the motion of the frame immediately after the current in the frame is switched on. The battery is removed from the coil and the coil is mechanically rotated 90° clockwise. State the direction of the induced current on side AB. North Pole South Pole

Ion Thrusters I: The Electric Field. You and your team are designing a new propulsion engine that ejects xenon (Xe) ions in one direction, causing a spacecraft to accelerate in the opposite direction, in accordance with the conservation of linear momentum and the impulse-momentum theorem. This is exactly what happens when a rocket engine expels high velocity particles when burning fuel, except that in the case of the ion drive the ions are accelerated with an electric field. In this process, Xe gas atoms are ionized so that they each acquire a net charge of +e. They are then subjected to an electric field, which accelerates and ejects the ions from the engine. The final step is to infuse the ejected ion beam with electrons in order to neutralize the ions so that they no longer electrically interact with the spacecraft, or with each other. In the thruster you are designing, assume that the Xe atoms accelerate from rest in a uniform electric field over a distance of 0.110 m before they…

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