John has to cut some wood. First, he used a large, blunt saw and cut 3 pieces in 2 minutes. Then he used a smaller, sharper saw and cut 5 pieces in 2 minutes. Explain which saw was more efficient.

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?

What causes the formation of ocean currents?

Ajet plane flying 600 m/s experience an acceleration of 4.0 g when pulling out of a circular dive. what is the radius of curvature part of the path in which the plane is flying? a) 7100 m b) 650 m c) 9200 m d) 1200 m