An alpha particle is a helium nucleus that consists of two protons bound with two neutrons. An alpha particle moving through a perpendicular magnetic field of 1.7 T experiences an acceleration of 1825 m/s². What is the alpha particle's speed? m/s
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- (a) A cosmic ray proton moving toward the Earth at 5.00107m/s experiences a magnetic force of 1.701016N. What is the strength of the magnetic field it there is a 45° angle between it and the proton’s velocity? (b) Is the value obtained in part (a) consistent with the known strength of the Earth’s magnetic field on its surface? Discuss.A particle with mass 3×10−2 kgkg and charge +7 μCμC enters a region of space where there is a magnetic field of 1 TT that is perpendicular to the velocity of the particle. When the particle encounters the magnetic field, it experiences an acceleration of 17 m/s2m/s2 . What is the speed of the particle when it enters the magnetic-field region? Express your answer in meters per second.The aurora is caused when electrons and protons, moving in the earth’s magnetic field of ≈5.0 x 10-5 T, collide with molecules of the atmosphere and cause them to glow. What is the radius of the circular orbit fora. An electron with speed 1.0 x 106 m/s?b. A proton with speed 5.0 x 104 m/s?
- A proton has a velocity of ?⃑ = (4.33 × 106m/s)?̂when it encounters a magnetic field ?⃑⃑ =(0.0288T)?̂. (a) What is the force, Fon the proton due to the magnetic field? (b) What is the radius of the circular path the proton is now in?A proton is travelling 2.4 x 10^9 m/s in a circular path with a magnetic force of 3.3 x 10^-10 N. What is the magnitude of the magnetic field on the proton?The aurora is caused when electrons and protons, moving in the earth’s magnetic field of ≈5.0 x 10-5 T, collide with molecules of the atmosphere and cause them to glow.What is the frequency of the circular orbit fora. An electron with speed 1.0 x 106 m/s?b. A proton with speed 5.0 x 104 m/s?
- A particle with charge 9.78 x 10^-6 C moves at 8.62 x 10^6 m/s through a magnetic field of strength 1.18 T. The angle between the particle s velocity and the magnetic field direction is 40.5 degrees and the particle undergoes an acceleration of 16.0 m/s^2. What is the particle s mass?At some instant the velocity components of an electron moving between two charged parallel plates are vx = 1.5 * 10^5 m/s and vy =3.0 * 10^3 m/s. Suppose the electric field between the plates is uniform and given by E: = (120 N/C)jˆ . In unit-vector notation, what are (a) the electron’s acceleration in that field and (b) the electron’s velocity when its x coordinate has changed by 2.0 cm?4.A gravitational field is a type of force fields that is analogous to _____ and _____ fields for electrically charged particles. a.scalar, vector b.Electric; magnetic c.force; acceleration d.absolute;constant 5.The gravitational field varies slightly at earth's surface. a.false b.maybe c.sometimes d.true 6.It shows the direction that force would act on an object placed at that point in space. a.field force b.gravitational field c.arrow d.field lines
- A laboratory electromagnet produces a magnetic field of magnitude 1.56 T. A proton moves through this field with a speed of 6.54 ✕ 106 m/s. (a) Find the magnitude of the maximum magnetic force that could be exerted on the proton. N(b) What is the magnitude of the maximum acceleration of the proton? m/s2(c) Would the field exert the same magnetic force on an electron moving through the field with the same speed? (Assume that the electron is moving in the same direction as the proton.) YesNo Explain. This answer has not been graded yet. (d) Would the electron undergo the same acceleration? YesNo Explain.What is the maximum force on an aluminum rod with a 2.0 mC charge moving through a magnetic field of 50 T at a speed of 5.00 m/s?An electron in an old-fashioned TV camera tube is moving at 10.0 × 106 m/s in a magnetic field of strength 100 mT. What is the (a) maximum and (b) minimum magnitude of the force acting on the electron due to the field? (c) At one point the electron has an acceleration of magnitude 4.30 × 1014 m/s2. What is the angle between the electron's velocity and the magnetic field?
