1) Write Introduction about surfing? 2) Conclusion
3) demonstrating high school level writing skills (complete sentences, thorough paragraphs, no copy and paste, etc)

The speed of light can be used to measure the

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.