Technician A says full time 4WD also allows the driver to select 2WD or 4WD. Technician B says part-time 4WD includes a differential or viscous coupling that allows the front and rear axles to rotate at different speeds. Which technician is correct? A) Technician A only
B) Technician B only
C) Both Technicians A and B
D) Neither Technicians A nor B

What is the kinetic energy of a 10-kg bicycle moving at 10 m/s

Me to solve all the questions on the sheet attached

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.