A cable car at a ski resort carries skiers a distance of 7.5

Last updated: 7/31/2022

A cable car at a ski resort carries skiers a distance of 7.5 km. The cable which moves the car is driven by a pulley with diameter 4.0 m. Assuming no slippage, how fast must the pulley rotate for the cable car to make the trip in 10 minutes? 60 rpm 9.4 rpm 80 rpm 30 rpm