Burn Another Day...
Walking out after experiments with new elastic materials, Professor Blum sees fire. He rushes to the burning building and finds a girl on a balcony. The room behind her is set in fire. What a danger! Professor has a brilliant idea and rescues the girl. She introduces herself, her name is Christina.
Demonstrate Professor’s solution. On a toolbar you find everything you need.
Solution can be found in the chapter “Elastic force. Hooke’s Law”.