A Charge Q = 3 × 10^-6 C of Mass

A charge q = 3 × 10^-6 C of mass m = 2 × 10^-6 kg, and speed v = 5 × 10⁶ m/s enters a uniform magnetic field. The mass experiences an acceleration a = 3 × 10⁴ m/s². What is the minimum magnetic field that would produce such an acceleration?

A) 0.1 T
B) 0.004 T
C) 0.001 T
D) 0.01 T
E) 0.04 T