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yulyashka [42]
3 years ago
14

What is meant by the term friction

Physics
2 answers:
Minchanka [31]3 years ago
8 0

It can mean the resistance that one surface or object encounters when moving over another.

Naddika [18.5K]3 years ago
8 0

the resistance that one surface or object encounters when moving over another.


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Which of the following is the best description of the term resultant displacement
Harrizon [31]

Answer:

The resultant displacement is the sum of displacement vectors

Explanation:

The vector sum of two or vectors is know as resultant .

The resultant displacement is the result of when displacement vectors are added.

If the vector quantities are same then the two vectors can be added.

The resultant velocity is obtained by adding two or more velocity vectors.

 In displacement vector the position will change.

The direction traveled is the direction of the displacement vector .

The magnitude of the displacement vector is the distance from starting point to the ending point.

5 0
3 years ago
If the pressure in the oil is 3.75 atm at the front end, how long can the pipeline be so that the pressure at the far end is no
Dimas [21]
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs. 
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4 0
4 years ago
Two spherical conductors are separated by a distance much larger than either of their radii. Sphere A has a radius of 11.5 cm an
bonufazy [111]

Explanation:

As the given spheres are connected by a thin wire so, the potential on the spheres are the same.

          \frac{q_{1}}{r_{1}} = \frac{q_{2}}{r_{2}} ......... (1)

Hence, total charge will be as follows.

              q_{1} + q_{2} = Q = -95.5 nC .......... (2)

Using the above two equations, the final equation will be as follows.

          q_{2} = \frac{Qr_{2}}{r_{1} + r_{2}}

and,    q_{1} = \frac{Qr_{1}}{r_{1} + r_{2}}

Hence, we will calculate the charge on sphere B after the equilibrium is reached as follows.

          q_{2} = \frac{Qr_{2}}{r_{1} + r_{2}}

                     = \frac{-95.5 \times 74.4 cm}{(11.5 + 74.4) cm}

                     = 82.714 nC

Thus, we can conclude that the charge on sphere B after equilibrium has been reached is 82.714 nC.

                       

5 0
3 years ago
swimmers at a water park have a choice of two frictionless water slides as shown in the figure. although both slides drop over t
LuckyWell [14K]
If swimmers had a choice of the water slides shown in this figure,
they would all go home dry, since there is no figure.  I'll have to try to
answer this question based on only the words in the text, augmented
only by my training, education, life experience, and human logic.

-- Both slides are frictionless.  So no energy is lost as a swimsuit
scrapes along the track, and the swimmer's kinetic energy at the
bottom is equal to the potential energy he had at the top.

-- Both slides start from the same height.  So the same swimmer
has the same potential energy at the top of either one, and therefore
the same kinetic energy at the bottom of either one.

-- So the difference in the speeds of two different swimmers
on the slides depends only on the difference in the swimmers'
mass, and is not influenced by the shape or length of the slides
(as long as the slides remain frictionless).

If both swimmers have the same mass, then  v₁ = v₂ .
4 0
4 years ago
You turn on the faucet for your garden hose and let go immediately the end search flying around and spraying water everywhere wh
max2010maxim [7]
It’s Newton’s third law
7 0
3 years ago
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