A 1.8 kg book has been dropped from the top of the football stadium. Its speed is 4.8 m/s when it is 2.9 meters above the ground?

iron would move it is magnetic there is a mag field around the current in the wire

force tends to be low and long diustance masses are high

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;