What is the law of conservation of energy?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

In what direction does an applied force move an object

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system