An electron experiences a magnetic force of magnitude 4.60 ×10^-15 N, when moving at an angle o

step 1 in the given problem magnetic laurence force experienced by electron is given as f is equal to 4

An electron experiences a magnetic force of magnitude 4.60...

An electron experiences a magnetic force of magnitude $4.60 \times 10^{-15} \mathrm{~N}$, when moving at an angle of $60^{\circ}$ with respect to a magnetic field of magnitude $3.50 \times 10^{-3} \mathrm{~T}$. Find the speed of the electron.

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Key Concepts

Magnetic Force on a Moving Charge

The magnetic force acting on a moving charged particle is calculated using the formula F = |q|vB sin(?), where q is the charge, v is the speed, B is the magnetic field strength, and ? is the angle between the velocity and the magnetic field vectors. This key concept is essential in understanding the dynamics of charged particles in magnetic fields.

Trigonometric Dependence in Magnetic Interactions

The presence of the sine function in the magnetic force equation highlights that the force depends on the angle between the particle’s velocity and the magnetic field. This trigonometric dependence means that the force is maximized when the particle's motion is perpendicular to the field and becomes zero when the motion is parallel to the field.

Lorentz Force

The Lorentz force is the resultant force experienced by a charged particle moving in electric and magnetic fields, with the magnetic part given by the cross product of the velocity vector and the magnetic field vector. This fundamental concept describes how the geometry of the motion relative to the field influences the magnitude and direction of the force.

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