3 years ago

Physicists talk about many forms of energy. One of the most common forms is force itself.

Physics

1 answer:

insens350 [35]3 years ago

4 0

So so false.

Force is not a form of energy.

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The diagram below shows the oscillation of a

galben [10]

Answer:

I think option B 0.125

Explanation:

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3 years ago

The momentum of an object depends on what two forces

mr_godi [17]

The Linear momentum depends on

1) Mass

2) Linear Velocity

The angular momentum depends on

1) Inertia

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3 years ago

A cylinder with a piston contains 0.200 mol of nitrogen at 1.50×105 Pa and 320 K . The nitrogen may be treated as an ideal gas.

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Answer:

$Q = -105 J$

Also we know that for cyclic process change in internal energy is always ZERO

Explanation:

First gas is compressed isobarically such that its volume is half of initial volume

So its temperature is also half

So heat given in this process is given as

$Q = nC_p \Delta T$

for diatomic gas we have

$C_p = \frac{7}{2} R$

so we will have

$Q = 0.200(\frac{7}{2}R)(160 - 320)$

$Q = -930.7 J$

Now in adiabatic process heat is not transferred

so in this process

$Q = 0$

so we have

$T_1V_1^{1.4-1} = T_2V_2^{1.4-1}$

$(160)(\frac{V}{2})^{0.4} = T_2(V)^{0.4}$

$T_2 = 121.26 K$

Now it is again reached to original pressure

so temperature will become initial temperature

so heat given in that part

$Q_3 = nC_v\Delta T$

here we know that

$C_v = \frac{5}{2}R$

$Q_3 = (0.200)(\frac{5}{2}R)(320 - 121.26)$

$Q_3 = 825.76 J$

So total heat given to the system is

$Q = -930.7 + 0 + 825.76$

$Q = -105 J$

Also we know that for cyclic process change in internal energy is always ZERO

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3 years ago

The north end of a compass points towards

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Opposite attract , this is the magnetic south pole

option (b) ✔

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2 years ago

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Which event is an example of condensation?

WITCHER [35]

Answer:

Explanation:

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3 years ago