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stiks02 [169]
3 years ago
6

A metal ball has a mass of 2kg and a volume of 6 m3. What is its density

Physics
2 answers:
Lena [83]3 years ago
8 0

Answer: The answer is 333.3333 repeating

Explanation:

Divide the mass by the volume.

Whitepunk [10]3 years ago
7 0

Answer:

Density of the metal ball, \rho=0.334\ kg/m^3

Explanation:

It is given that,

Mass of the metal ball, m = 2 kg

Volume of the metal ball, V=6\ m^3

We need to find the density of the metal ball. The total mass divided by total volume of an substance is called its density. Its formula is given by :

\rho=\dfrac{m}{V}

\rho=\dfrac{2\ kg}{6\ m^3}

\rho=0.334\ kg/m^3

So, the density of the metal ball is 0.334\ kg/m^3. Hence, this is the required solution.

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What are the differences between forces and pressure​
slamgirl [31]

Answer:

Force is a push or pull action between objects. Pressure is force acting on a surface area of an object, thus it is force per unit area.

Explanation:

4 0
3 years ago
A 29.0 kg beam is attached to a wall with a hi.nge while its far end is supported by a cable such that the beam is horizontal.
Elanso [62]

The tension in the cable is 169.43 N and the vertical component of the force exerted by the hi.nge on the beam is 114.77 N.

<h3>Tension in the cable</h3>

Apply the principle of moment and calculate the tension in the cable;

Clockwise torque = TL sinθ

Anticlockwise torque = ¹/₂WL

TL sinθ  =  ¹/₂WL

T sinθ  =  ¹/₂W

T = (W)/(2 sinθ)

T = (29 x 9.8)/(2 x sin57)

T = 169.43 N

<h3>Vertical component of the force</h3>

T + F = W

F = W - T

F = (9.8 x 29) - 169.43

F = 114.77 N

Thus, the tension in the cable is 169.43 N and the vertical component of the force exerted by the hi.nge on the beam is 114.77 N.

Learn more about tension here: brainly.com/question/24994188

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6 0
2 years ago
Neglecting air resistance which of the following statements is not true regarding the motion of a ball thrown vertically with an
inysia [295]

Answer:

c or b

Explanation:

6 0
3 years ago
Over the time interval after a difference in potential is applied between the ends of a wire, what would happen to the drift vel
Dmitrij [34]

The the drift velocity of the electrons is determined by atom vibrations in the crystal lattice.

<h3>How to explain the information?</h3>

Assume we could increase the average time between collisions in a typical metal to get to a limit of zero resistance. The free electrons would therefore be continuously accelerated by a constant applied voltage, according to the classical paradigm of conduction. Both the current and the drift speed would gradually pick up over time.

Although it is not the scenario implied by the question, it is possible to switch to zero resistance by using a superconducting wire instead of the usual metal. In this scenario, the maximum current is constrained, the drift velocity of the electrons is determined by atom vibrations in the crystal lattice, and it is difficult to produce a potential difference across the superconductor.

Learn more about electrons in:

brainly.com/question/860094

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5 0
1 year ago
Two charged objects, A and B, are exerting an electric force on each other. What will happen if the charge on A is increased?
Nina [5.8K]
The force is proportional to the product of the charges. So if either one increases, the force between them increases.
7 0
3 years ago
Read 2 more answers
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