Q1. From the shape of total energy vs. time plot, what can you conclude about the conservation of mechanical energy in your mass and spring system?
Q2. A 29.0 m steel wire and a 25.0 m copper wire both with 1.00 mm diameters, are connected end to end and are stretched to a tension of 170 N. How long does it take a transverse wave to travel the entire length of the two wires?
Q3. A long straight wire carries a current of 1.5 A. An electron travels with a velocity of 5.5x104 m/s parallel to the wire, 10 cm from it, and in the similar direction as the current. What force does the magnetic field of the current exert on electron?