A charged particle of mass 0.0070 kg is subjected to a 5.0 T magnetic field which acts at a right angle to its motion. If the particle moves in a circle of radius 0.10 m at a speed of 5.0 m/s, what is the magnitude of the charge on the particle?

A) 0.070 C

B) 1400 C

C) 14 C

D) 0.00070 C