1011 past contests
Topic 19 · Mass remaining after a given number of half-lives
Topic 33 · Heat capacity at constant pressure from heat capacity at constant volume (cp/cv ratio)
Topic 36 · Speed of an object partway down a frictionless inclined plane using energy conservation
Topic 31 · Entropy change in an isothermal expansion of an ideal gas
Topic 62 · Speed of sound in air as a function of temperature
Topic 22 · Relativistic linear momentum of a fast-moving electron
Topic 11 · Radius of gyration of a solid sphere about a tangent (surface) axis
Topic 3 · Work done by friction and weight on an object sliding down an inclined plane (true/false)
Topic 4 · Velocity of the center of mass of a two-particle system
Topic 21 · Vibrational ground state energy of a diatomic molecule (quantum harmonic oscillator)
Topic 20 · Identifying the missing nuclide in a balanced nuclear fission equation
Topic 59 · Power dissipated in a resistor
Topic 2 · Gravitational force between two point masses (newton's law of gravitation)
Topic 52 · Displacement of a particle from its initial and final position vectors
Topic 34 · Linear momentum and impulse in a collision with a wall
Topic 18 · Maximum kinetic energy of photoelectrons from einstein's photoelectric equation
Topic 34 · Linear momentum of an object from its position change over time
Topic 51 · Average speed over a journey including a rest period
Topic 4 · Acceleration from a vector net force