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Valentin [98]
3 years ago
5

The contents of the cylinder is then entirely transfered to a partially filled holding tank of volume 10,000 L originally at pre

sure 2 atm and 300 K. What is the new pressure in the holding tank at 300 K?
Physics
1 answer:
Dahasolnce [82]3 years ago
7 0

Answer:

The new pressure in the holding tank is 2 atm.

Explanation:

Given that,

Volume = 10000 L

Initial pressure 2 atm

Initial temperature = 300 k

We need to calculate the new pressure

Using equation of ideal gas

PV=RT

R=\dfrac{PV}{T}

Where,P = pressure

T = temperature

V = volume

R = constant

Put the value into the formula

Volume of gas are remain constant

So,

\dfrac{P_{i}V}{T_{i}}=\dfrac{P_{f}V}{T_{f}}

\dfrac{2\times10000}{300}=\dfrac{P_{f}\times10000}{300}

P_{f}=2\ atm

Hence, The new pressure in the holding tank is 2 atm.

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Suppose you have two magnets. Magnet A doesn't have its poles labeled, but Magnet B does have a clearly labeled north and south
Elina [12.6K]

Before going to answer this question first we have to know the fundamental principle of magnetism.

A magnet have two poles .The important characteristic of a magnet is that like poles will repel each other while unlike poles will attract each other.

Through this concept the question can be answered  as explained below-

A-As per first option the side of  magnet A is repelled by the south pole  of magnet B. Hence the pole of a must be south .It can't be north as it will lead to attraction.

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C-The side of magnet A is attracted by the south pole  of magnet  B .Hence the side of magnet A must be north.Hence this is right

D-The side of magnet A is attracted by the north pole of magnet B. Hence the side of A must south.It can't be north as it will lead to repulsion.

Hence the option C is right.

3 0
3 years ago
Read 2 more answers
Wave traveling at 330 m/sec has a wavelength of 4.3 meters. What is the frequency of this wave?
Rasek [7]

Answer:

76.74 Hz

Explanation:

Given:

Wave velocity ( v ) = 330 m / sec

wavelength ( λ ) = 4.3 m

We have to calculate Frequency ( f ):

We know:

v = λ / t [ f = 1 / t ]

v = λ f

= > f = v / λ

Putting values here we get:

= > f = 330 / 4.3 Hz

= > f = 3300 / 43 Hz

= > f = 76.74 Hz

Hence, frequency of sound is 76.74 Hz.

6 0
2 years ago
The landing of a spacecraft is cushioned with the help of airbags. During its landing on Mars, the velocity of downward fall is
statuscvo [17]
You can use the impulse momentum theorem and just subtract the two momenta.
P1 - P2 = (16-1.2)(11.5e4)=1702000Ns
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3 years ago
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If a an object is traveling at a rate of 5 meters per second squared with a force of 10 Newtons, what is the mass of the object?
Svetllana [295]

Answer:

2 kg

Explanation:

Acceleration = 5 m/s^2

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Force = mass * acceleration

mass = force / acceleration

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mass = 2 kg

8 0
2 years ago
A horizontal force, F, acts on a crate weighing 8 N, which moves on a horizontal floor at constant speed. The coefficient of fri
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The answer is 24 J

F K =.25*8 N

     = 2N

F = f k = 2 N

Since a = 0

W = f * s

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