Describe the change to the stores of energy of the wood, pipe and water as the water is heated

thermal  energy  or proportional  energy

Explanation:

when the  wood is moved the energy is changed thoughout the wood and it would be the same as the pipe and water

the answer to your question is high voltage and high currency

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west