Np Fysik — Åk 9

Captain Granit smiled. "Good. Let’s start with , young navigator." 1. Energy – The invisible currency "The chest at the bottom has potential energy because it’s deep," the captain explained. "But we need to give it kinetic energy to move it up."

Captain Granit shook his head. "Water fights back. That's and drag ." np fysik åk 9

Milo groaned. "That sounds like a physics problem. I'm out." Captain Granit smiled

Slowly, the chest rose. When it broke the surface, Milo gasped. "It worked!" " he said

"I know exactly where a sunken treasure chest is," he said, pointing to a rusty anchor. "But the winch is broken. We need to lift the chest from the seabed. It's 50 meters down and weighs 200 kg."