Please indicate how long each bar is in centimeters and millimeters.

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

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)