A car is lifted a 1 m above the floor in a service station and therefore has potential energy relative to the floor. Next is lifted 2 m above the floor. How has the potential energy increase? Explain.

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 %.

The average time that it takes for the car to travel the first 0.25m is s. the average time to travel just between 0.25 m and 0.50 m is s. given the time taken to travel the second 0.25 m section, the velocity would be m/s.

Why would an orange roll of your cafeteria tray if you stopped suddenly