1011 past contests
Topic 59 · Power dissipation in a series circuit
Topic 63 · The wavelength of the fundamental mode
Topic 61 · Length of a simple pendulum from period, frequency, or angular frequency
Topic 5 · Capacitance of a parallel plate capacitor with a dielectric
Topic 1 · Physical quantity riddle: velocity
Topic 4 · Acceleration from a vector net force
Topic 1 · Describing motion at constant speed (true/false)
Topic 38 · Resultant of two concurrent forces of equal magnitude (true/false)
Topic 3 · Kinetic energy of a moving object
Topic 2 · Variation of weight with height above the earth's surface
Topic 50 · Projectile motion: maximum horizontal range