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**1. Homework Statement**

**2. Homework Equations**

**3. The Attempt at a Solution**

please help asap thanks much appreciated

An electron travels at a speed of 4.80 104 m/s through a uniform magnetic field whose magnitude is 1.90 10-3T. What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field are oriented as follows?

(a) perpendicular to eachother

(b) at an angle of 59° to eachother

(c) parallel to eachother

A wire that is 1.40 m long and carrying a current of 10.0 A is at right angles to a uniform magnetic field. The force acting on the wire is 0.55 N. What is the strength of the magnetic field?

A wire that is 0.45 m long and carrying a current of 8.7 A is at right angles to a uniform magnetic field. The force on the wire is 0.40 N. What is the strength of the magnetic field?

The current through a wire 0.75 m long is 5.0 A. The wire is perpendicular to a 0.51 T magnetic field. What is the magnitude of the force on the wire?

The force acting on a wire that is at right angles to a(n) 0.80 T magnetic field is 3.9 N. The current in the wire is 8.3 A. How long is the wire?

A beam of electrons moves at right angles to a magnetic field of 5.1 10-2 T. The electrons have a velocity of 2.5 106 m/s. What is the magnitude of the force on each electron?

A muon (a particle with the same charge as an electron) is traveling at 4.22 107 m/s at right angles to a magnetic field. The muon experiences a force of 4.60 10-12 N. How strong is the field?

A singly ionized particle experiences a force of 4.5 10-13 N when it travels at right angles through a 0.67 T magnetic field. What is the velocity of the particle?

A beta particle (high-speed electron) is traveling at right angles to a 0.48 T magnetic field. It has a speed of 2.5 107 m/s. What size force acts on the particle?