Q. A 1750 kg car drives around a flat 215m -diameter circular track at 26m/s. What is the strength of the net force acting on the car?
Q. A 4.0 cm diameter loop with resistance 0.18 Omega surrounds a 2.0 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left?