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3 years ago

The temperature of a gas is _____.

Physics

2 answers:

kykrilka [37]3 years ago

8 0

Directly proportional to pressure

Basile [38]3 years ago

7 0

Directly proportional to pressure

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What minerals can Fluorite scratch?

timurjin [86]

Fluorite has a hardness of 4 out of 10 and can scratch gypsum, talc and anything less than 4. Fluorite has a hardness of 4 out of 10 and can scratch gypsum, talc and anything less than 4.

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3 years ago

the time required for one cycle, a complete motion that returns to its starting point, it called the_____ medium frequency perio

telo118 [61]

Answer:

The correct answer to the following question will be "Period".

Explanation:

The Period seems to be the time deemed necessary for such a perfect cycle of vibration to transfer a particular moment. Because as the amplitude of the wave raises, the wavelength falls.

It is denoted by "T" and its formula will be:

⇒ $T = \frac{1}{F}$

Where, T = Period

F = Frequency

The other given choices are not related to the given circumstances. So that the above would be the right answer.

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3 years ago

An airplane accelerates from rest down a runway at 3.20 m/s2 for 32.8 seconds until it lifts off the ground. Determine the dista

vagabundo [1.1K]

Answer:

s=1721.344m ,v=104.96m/s.

Explanation:

using thr equation of motion;

$s=ut+\frac{1}{2}at^{2}$

u=0, plane starts from rest,

$s=\frac{1}{2}at^{2}$

$a=3.2m/s^{2}, t=32.8s \\ s=\frac{1}{2}*3.2*32.8^{2}$

s=1721.344m

v=u+at

v=0 +3.2*32.8

v=104.96m/s

8 0

3 years ago

Velocityis a vector quantity which has both magnitude and direction. Using complete sentences, describethe object's velocity. Co

mr_godi [17]

Answer:

Explanation:

A physical quantity which can be completely described by the magnitude and direction both are called vector quantities. For example, displacement, velocity, etc.

A physical quantity which can be completely explained by the magnitude only is called scalar quantity. For example, mass, time, etc.

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4 years ago

Practical steam engines utilize 450ºC steam, which is later exhausted at 270ºC.

Naily [24]

(a) 0.249 (24.9 %)

The maximum efficiency of a heat engine is given by

$\eta = 1-\frac{T_C}{T_H}$