Study this map. A world map with all oceans, the Equator and points 1 through 4 labeled. 1: In the Arctic Ocean. 2: In the Southern Ocean between South America and Antarctica. 3: In the Indian Ocean near Africa. 4: In lower left of the map, below India. At which point is ocean water the warmest? 1 2 3 4

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

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 %.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?