Dynamics HL only Sub-topic B4 Forced vibrations and resonance HL only BV r ff g Q 2p energy stored energy dissipated per cycle PP 0 r f gd Q 2p resonant frequency energy stored power loss Av constant 1 2 rrvg2 zp constant Fr D 6piv.
Formulae Prior learning Area of a parallelogram A b h u where b is the base h is the height Area of a triangle 1 2 A b h u where b is the base h is the height Area of a trapezium 1 2 A a b h where a and b are the parallel sides h is the height Area of a circle Ar S2 where r is the radius Circumference of a circle Cr S2 where r is the.