A 50 Kg person was walking at 2 m/s and a 5 Kg cat jumped on their back
with 55 N of force. How fast are they
now moving?

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false