A gasoline engine with an efficiency of 0.40 generates 1800 W of power. If a liter of gasoline has an energy content of 3.7 × 107 J, how many liters of gasoline does the engine consume each hour?

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

More solar radiation is absorbed by earth’s surface than by