Hi, I have a question if I calculate the average force that must be exerted on a 0.145 kg baseball for me to give it an acceleration of 130 m/s2. How would I get I get the acceleration would I divide 130 by 0.145 kg to get the acceleration? ​

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.