A16.0 kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 25.0 n. starting from rest, the sled attains a speed of 1.00 m/s in 8.00 m. find the coefficient of kinetic friction between the runners of the sled and the snow. you answered

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?