What organ does the branch like structures most likely come from? the choices a b c or d are in the pic.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Aball horizontally thrown from a cliff at 8m/s

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.