23. please help

23, a) Sketch two cycles of a mechanical transverse wave with the following parameters; the amplitude is 25 cm and the wavelength is 50 cm. [1 mark] b) Clearly Indicate the following points: [2 marks] . 1 full wavelength (with measure indicated on the axis) Equilibrium position Crest and Trough (max and min) indicated on the axis Direction of source vibration Direction of the wave motion () What are two properties of a transverse wave? (1 mark) Your