Calculate the gravitational potential energy for the skateboarder at the top of the first hill using the given information in step 6 and the grid measurement for the top of your track.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

Explain what will happen if decomposers were apsent from a forest ecoysystem.