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To calculate the density, find the mass and the volume.
Mass divided by volume = Density.
Each substance has a different density.
Density is measured in g/cc (solids) or g/ml (liquids).
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∙ 13y ago
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What term defined as the size of the association between two variables independent of the sample size?
There is no such term. The regression (or correlation) coefficient changes as the sample size increases - towards its "true" value. There is no measure of association that is independent of sample size.
What is meant by optical density equals 1?
It means that the speed of light in that medium is the same as in vacuum. This is ALMOST the case for stuff like "air". If you measure closely enough, it is only true for vacuum, all other materials have an optical density > 1.
True or false a balance can be used to measure volume?
True. A balance IS used to measure the volume of things.
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True
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About that of water. This is true of most living things.
Can scientists use the measure of density to tell if something will float. False True?
True. Scientists can use the measure of density to determine if an object will float or sink in a fluid. If the density of an object is less than that of the fluid, it will float; if the density is greater, it will sink.
What is a way to determine the density of air?
Get all the air out of it, and weight it. This is the true weight of just the vacuum chamber.
How can graphing be helped used to help measure density?
Graphing is used in measuring density. It plots the temperature and density as read, and gives the true density at standard conditions.
True or false Density is the weight per volume of a substance?
False. Density is actually the mass per unit volume of a substance, not weight.
All objects near the Earth's surface regardless of size and weight have the same force of gravity acting on them True or false?
True. All objects near the Earth's surface experience the same acceleration due to gravity, approximately 9.81 m/s^2, regardless of their size or weight. This is a fundamental principle of physics known as the equivalence principle.
Is it true that when the weight of an object is less than the density of water that object the object will float?
The weight does not determine if an object will float in water. If an object has a DENSITY that is more than the density of water then it will sink, if it's density is less than the density of water it will float.
What is the density of a textbook?
The density of a textbook can vary based on its size, weight, and the materials used in its construction. On average, a standard textbook may have a density of around 0.7-1.2 grams per cubic centimeter.
Is this true does density is weight per unit volume?
Density can be defined that way, but it is more common to use another kind of density: mass per unit volume.
The density of the substance is the same for all samples of the substance true or false?
Any sample size of a particular substance will have the same density.
True or False muscular endurance decreases muscular strength bone density muscle size and muscle density?
False it increases them!!!!
Is it true that if you roll out your lungs they can measure to the size of a tennis court?
Yes, they can measure to the size of a tennis court.No, it is not. It is only about the size of a small hotel bathroom floor, not including the tub.
Why particle density is also called true density?
Particle density is sometimes referred to as true density because it represents the actual density of the material excluding any void spaces that may be present. It is a measure of how closely packed the particles are within a given volume, providing a more accurate reflection of the material's intrinsic properties.
