The current in a long wire creates a magnetic field in the region around the wire. How is the strength of that field at a given distance, r, r from the wire center related to the magnitude of the field

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy