A cable car of mass 2800 kg descends a mountain.
Calculate the decrease in gravitational potential energy of the cable car as its altitude decreases from 2400 m to 650 m.
[Take g=9.8 m s−2g = 9.8\text{ m s}^{-2}g=9.8 m s−2.]
82 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations. Each one has a worked solution and a mark scheme showing where the marks go.