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ziro4ka [17]
3 years ago
15

What air mass would produce cold, dry weather in the winter

Physics
1 answer:
Brilliant_brown [7]3 years ago
7 0

The air mass that would produce cold, dry weather in the winter is called Continental Polar.

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The laboratory test that detects neutropenia is
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It's absolute neutropihil count, also called ANC
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4 years ago
A skydiver of mass 113kg
yan [13]

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Option b.

Explanation:

Weight of skydiver = mass × acceleration due to gravity

= 113 × 9.81 N

= 1108.53 N

Now,

The weight is acting downwards and air resistance is acting upwards. So,

Net force = weight - air resistance

Net force = 1108.53 - 660

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Why did scientists agree to use one system of measurement
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Which does not contain a lens?<br> A.a camera<br> B.an eye<br> C.a mirror<br> D.binoculars
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3 years ago
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A large room in a house holds 947 kg of dry air at 33.2°C. A woman opens a window briefly and a cool breeze brings in an additio
BartSMP [9]

Answer:

31.96362 °C

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m_1 = Mass of air in the room = 947 kg

m_2 = Mass of air entering the room = 62.4 kg

T_1 = Temperature in the room = 33.2°C

T_2 = Temperature air entering the room = 13.2°C

T = Equilibrium temperature

c = Specific heat of air = 1006 J/kg °C

In the case of thermal equilibrium we have the relation

m_1c(T_1-T)=m_2c(T-T_2)\\\Rightarrow T=\frac{m_2T_2+m_1T_1}{m_1+m_2}\\\Rightarrow T=\frac{62.4(13.2+273.15)+947(33.2+273.15)}{947+62.4}\\\Rightarrow T=305.11362\ K=305.11362-273.15=31.96362^{\circ}C

The temperature of thermal equilibrium is 31.96362 °C

7 0
4 years ago
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