answer all the questions plz

(b) It is proposed to install a wave energy converter at a site where the water depth is 45m and the seawater density is 1025kg/m3. At the proposed site a pressure transducer is located 7m below the still water level (SWL). Figure 1 shows pressure measurements obtained from the transducer. The wave period is 10s and the maximum pressure is 80.77kN/m2. Determine the following: 1. The length and height of the waves at the site. [4 marks] 2. When in the wave cycle the pressure at a point 7m below SWL is equal to 67.18kN/m2. If the pressure is equal to 67.18kN/m2 more than once in the wave cycle, you are required to determine time for each occurrence. [6 marks] 3. The pressure at a point 7m below the SWL under the wave trough, 0 -crossing between crest and trough, 0-crossing between trough and crest. Tidal Power Ek=2mU2Ep=FL=mgHW=FL(Ek=kineticenergy;m=mass;U=velocity;F=force;L=distance;H=height;W=work)P=TE=2TAR2gP=0.5AU3=0.5R2U3(E=potentialenergy;T=tidalperiod;A=cross-sectionarea;R=rotorradius)Rex=vUmx=500,000Re=UcLc=vUcLc(Uc=characteristicvelocity,Lc=characteristiclength)=vv=/=dzduo=z=0=dzduz=0u=o(shearstressbedshearstressshearvelocity)uu=1ln(vzu)+AA=5.5=0.40Re=vu70Re=vUmDFD=0.5CDUm2ArS=UmDf=0.21Mo=F2H 5 d0eaxdx=a1(1ead)F=0.5CDVVAp+CMVvolV=FD+FI Total force = drag force + intertia force D/