In an orbiting space shuttle, you are handed two identical boxes, one filled with sand and the other filled with feathers. how can you determine which is which without opening the boxes?

If jesus walked on water, does that mean he swims on land

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

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)