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valentinak56 [21]
3 years ago
6

HEY CAN ANYONE ANSWER DIS RQ!!!!!!

Physics
2 answers:
emmasim [6.3K]3 years ago
7 0

Answer:

Density is the mass to volume ratio of an object.

> It tells you how compact the mass is.

> Density = mass/volume

The density of water is 1 g/ml or 1 kg/L or 1000 kg/m3

• If an object has a density less than that of water, it

will float.

• If an object has a density more than that of water, it

will sink

Explanation:

hope this helps some

Ksivusya [100]3 years ago
5 0
The answer is:
If the object has a higher density that it will sink.
If it has a lower density than it will float.
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Discrete systems are those systems in which are made up of finite component particles a which are non-homogeneously arranged such that no smooth variation exists. It is such that all constituent particles have properties which vary randomly. They are direct opposite to continuous systems, which are smooth arrangement of particles which cannot be individually taken into consideration.
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If a 0.15 kg ball falls and has a KE of 20 J just before striking the ground, from what height did it fall. A. 1.36m B. 3m C. 13
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According to the conservation of mechanical energy, the kinetic energy just before the ball strikes the ground is equal to the potential energy just before it fell. 

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Which means KE = m·g·h

We can solve for h:

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3 years ago
The universal law of gravitation states that the force of attraction between two objects depends on which quantities?
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3 years ago
A boxed 14.0 kg computer monitor is dragged by friction 5.50 m up along the moving surface of a conveyor belt inclined at an ang
adell [148]

Answer:

A boxed 14.0 kg computer monitor is dragged by friction 5.50 m up along the moving surface of a conveyor belt inclined at an angle of 36.9 ∘ above the horizontal. The monitor's speed is a constant 2.30 cm/s.

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work(gravity) = -453.5J

Explanation:

Given that,

mass = 14kg

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velocity = 2.30cm/s

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work(gravity)

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8 0
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