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The deck was heaving beneath her feet. Heaving mightily, he lifted the huge weight.
Double the first potential energy.
Yes. Except in the strongest tornadoes, heavy objects such a vehicles usually do not get lifted more than a few yards into the air while light objects with large surface areas can be lifted hundreds of feet into the air. A very violent tornado can lift car a few hundred feet into the air while light objects such as pieces of cloth and paper may be carried into the stratosphere.
Ignoring air resistance ... Any object dropped near the Earth's surface reaches a speed of 43.9 feet per second after falling 30 feet. The velocity is 43.9 feet per second down. The object's weight makes no difference.
Not if it was a pound of feathers.
You mean foot pounds, not feet per pound. Work = weight x distance = 500 x 60 =3000 foot - pounds
one pound of what? cubic feet is unit for volume and pound is unit for weight. So, cubic feet can only be calculated if you know the material and its density.
The deck was heaving beneath her feet. Heaving mightily, he lifted the huge weight.
The foot is a unit of distance while the pound is a measure of weight. As such, one cannot convert from feet to pounds.
No matter what the height of the person desiring to lose weight, the number of calories to burn off 1 pound is the same. One pound equals about 3500 calories.
The weight per 100 square feet coverage of the shingles.
"cubit feet" is nonsense; there's no such measurement. "cubic feet" is a valid unit of measurement, but it's a volume measurement and cannot be converted into pounds, a weight measurement.
No. Force x Distance = Work done.
A cubic foot is a measure of volume (size). A pound is a measure of weight. The amount of weight that can fit in 20 cubic feet is different for different things. For example, a box with a volume (size) of 20 cubic feet, filled with solid gold, would weigh more than a box with the same size but filled with feathers.
The conversion of a chicken's live weight to dressed is not very much. The feathers, feet, and head of the chicken weigh less than half a pound.
Nothing. A weight is a force whereas a pound is a measure of mass. For example, a mass of 27 pounds would weight nothing in outer space (at the Lagrange points to be more precise), but would have a weight of millions of pound-weight near a black hole.
300 lbs per square feet