The mass of the bike along with the cyclist is m = 75 kg.
The rider starts from rest and the height is h = 0 m.
Also, acceleration due to gravity is g = 9.8 m/s^2
The formula to find potential energy is
[tex]P\mathrm{}E\text{. = mgh}[/tex]Substituting the values, the potential energy will be
[tex]\begin{gathered} P\mathrm{}E\text{. = 75}\times9.8\times0 \\ =0\text{ J} \end{gathered}[/tex]