Visualize a triangle on the graph between 0 and 5 seconds and determine the rise and the run.

the rise is and the run is . this means the slope (which is the speed) is .

then, visualize another triangle on the graph between 5 and 10 seconds. determine the rise and run.

the rise is and the run is . this means the slope (which is the speed) is .

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)