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A positron with a kinetic energy of 2.10 keV is projected into a uniform magnetic field of magnitude 0.140 T, with its velocity vector making an angle of 87.0° with the field. Find (a) the period, (b) the pitch p, and (c) the radius r of its helical path.
please highlight each answer when answering:
answer (a) with unit
answer (b) with unit
answer (c) with unit
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- A positron with kinetic energy 2.00 keV is projected into a uniform magnetic field of magnitude 0.100 T, with its velocity vector making an angle of 89.0° with . Find (a) the period, (b) the pitch p, and (c) the radius r of its helical path.A positron with kinetic energy 1.80 keV is projected into a uniform magnetic field of magnitude 0.140 T, with its velocity vector making an angle of 88.0° with the field. Find (a) the period, (b) the pitch p, and (c) the radius r of its helical path.Consider a uniform magnetic field of magnitude 0.2 T which is directed along the direction of the positive x axis. A positron, which was accelerated by a potential difference of 1 kV, enters this region of the magnetic field with a velocity v which forms an angle of 85 with the x axis. For this case in which the path that the positron describes is helical, as shown in Figure 1, determine:a) The radius r of the helical path.b) The pitch p of the helical path.
- In the figure, an electron accelerated from rest through potential difference V1=1.26 kV enters the gap between two parallel plates having separation d = 19.6 mm and potential difference V2= 52.4 V. The lower plate is at the lower potential. Neglect fringing and assume that the electron's velocity vector is perpendicular to the electric field vector between the plates. In unit-vector notation, what uniform magnetic field allows the electron to travel in a straight line in the gap? I need this in units of mT.A proton finds itself doing inform circular motion of 1.2 cm rudius due to a uniform 4.5 tesla magnetic field perpendicular to the plane of the circle. a. at what uniform speed is the proton moving? b. what is the frequancy of its cyclotron motion, in hertz?A 3 C charged particle is moving at 1000 m/s, and is subject to a magnetic field of 500 micro-Tesla. What is the magnitude of the magnetic force, in N, acting on it?
- A cyclotron, which is designed to accelerate protons of mass mp = 1.67 × 10-27 Kg, q= 1.6× 10-19 C to a kinetic energy of 10 MeV (1eV= 1.6× 10-19 J), has a radius of 1.20m. The magnitude of the uniform magnetic field B required is: B= 6.87 T B. B= 0.38 T C. B= 1.22 T D. B= 0.50 TA current loop with magnetic dipole moment is placed in a uniform magnetic field , with its moment making angle θ with the field. With the arbitrary choice of U = 0 for θ = 90°, prove that the potential energy of the dipole-field system is .The force on a magnetic moment z in a nonuniform magnetic field Bz is given by Fz=zdBzdz If a beam of silver atoms travels a horizontal distance of 1 m through such a field and each atom has a speed of 100 m/s, how strong must the field gradient dBz/dz be in order to deflect the beam 1 mm?
- A proton precesses with a frequency p in the presence of a magnetic field. If the intensity of the magnetic field is doubled, what happens to the precessional frequency?What is the radius of the path of an electron (mass 9×10-31 kg and charge 1.6×10-19 C) moving at a speed of 3x107 m/s in a magnetic field of 6 × 10-4 T perpendicular to it? What is its frequency? Calculate its energy in keV. ( 1 eV = 1.6 × 10-19 J).in what direction will the roop rotate (x-axis or y-axis) and torque magnitude given that it is a square loop with a side length of 4 cm with a current of 1.3 mA initially at rest and lies fltly within the xy plane with center at origin with a uniform magetic field of (2i +3k)mT and the magnetic moment point of the loop is to the k direction
