A particle with a charge of 5.70 is moving in a uniform magnetic field of 1.26 ).

A particle with a charge of 5.70 is moving in a uniform magnetic field of 1.26 ).

A particle with a charge of5.70is
moving in a uniform magnetic field of1.26).The
magnetic force on the particle is measured to be3.20×10?77.60×10?7.

What is the angle
betweenand?