1. It takes an elevator 3.6 minutes to raise a vehicle with a weight of 3863 N from the floor to a height of 7 meters. What size (power) motor (in watts) does it take to do the job?
2. The catapult on an aircraft carrier can take an aircraft from 0 to 218 mph in 10 seconds, at which time the aircraft launches. Express the launch speed in SI units (meter-kilogram-second (MKS) system.