A charge of 8.4 � 10�4 c moves at an angle of 35� to a magnetic field that has a field strength of 6.7 � 10�3 t. if the magnetic force is 3.5 � 10�2 n, how fast is the charge moving?
a) 9.1 � 10�5 m/s
b) 1.3 � 10�4 m/s
c) 7.6 � 103 m/s
d) 1.1 � 104 m/s