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2 years ago

The pressure of a gas always increases with increasing temperature. A. True B. False

Physics

2 answers:

olga2289 [7]2 years ago

7 0

True

Gay Lussac's Law

When the volume is constant, the gas pressure is proportional to its absolute temperature

$\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}$

maks197457 [2]2 years ago

4 0

Answer:

True

Explanation:

This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased. This means that they have more collisions with each other and the sides of the container and hence the pressure is increased.

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Flapping flight is very energy intensive. A wind tunnel test

steposvetlana [31]

Answer:

The metabolic power for starting flight=134.8W/kg

Explanation:

We are given that

Mass of starling, m=89 g=89/1000=0.089 kg

1 kg=1000 g

Power, P=12 W

Speed, v=11 m/s

We have to find the metabolic power for starting flight.

We know that

Metabolic power for starting flight= $\frac{P}{m}$

Using the formula

Metabolic power for starting flight= $\frac{12}{0.089}$

Metabolic power for starting flight=134.8W/kg

Hence, the metabolic power for starting flight=134.8W/kg

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3 years ago

Tafu is working with subatomic particles in the physics lab. a positron is traveling in a straight line down the particle accele

KatRina [158]

Answer:

Infinity

Explanation:

When you have a limit approaching infinity one method you can use is to remember that the highest power dominants all of the other ones so when we have (t^2)/t-1 like in your problem, we see that t^2 has the highest power of 2 so if that's going to infinity and it's not being divided by any powers higher than it will just be inifinity.

4 0

3 years ago

Light initially traveling in air n=1 is incident on a flat plane of glass n=1.6 at an angle of 20 degrees to the normal. find an

Black_prince [1.1K]

Answer:

The reflected angle is 20 °.

The angle of refraction = 12.34°.

Explanation:

For reflection,

Angle of incidence = Angle of the reflection.

Thus,

Given that the angle of incidence is 20 °

So, the reflected angle is 20°.

For refraction,

Using Snell's law as:

$\frac {sin\theta_2}{sin\theta_1}=\frac {n_1}{n_2}$

Where,

Θ₁ is the angle of incidence

Θ₂ is the angle of refraction

n₁ is the refractive index of water which is 1

n₂ is the refractive index of water which is 1.6

So,

$\frac {sin\theta_2}{sin20}=\frac {1}{1.6}$

${sin\theta_2}=0.2138$

Angle of refraction = sin⁻¹ 0.56 = 12.34°.

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4 years ago

What process is this?

a_sh-v [17]

^they’re correct! it is weathering, i just took a test with that answer:)

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3 years ago

What happens when a particle of matter meets its corresponding antiparticle of antimatter?

Nutka1998 [239]

The correct answer is B) the combined mass of two particles is completely transformed into energy (photons).

8 0

3 years ago

The pressure of a gas always increases with increasing temperature. A. True B. False​

The pressure of a gas always increases with increasing temperature. A. True B. False