9702/22 · May/June 2025

Vectors and scalars, kinetic energy from work done, and power at constant speed.

Moments on a supported tree, a triangle of forces and pressure on an area.

Amplitude and speed from a wave graph, coherence, superposition and an intensity ratio.

Is a bounce elastic? Change in momentum, average force and the ratio of heights.

Young modulus, the area of a wire from a force–extension graph, and work done stretching it.

Potential difference, charge and currents in a circuit, an unknown resistance and a bridge circuit.

Fundamental particles, charge-to-mass ratio, a β⁻ decay equation and identifying a decay from energies.