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3 years ago

Match the term to its definition.

Physics

2 answers:

krek1111 [17]3 years ago

8 0

Equator -- an imaginary line drawn around Earth dividing it into northern and southern hemispheres (D)

Seasons -- the divisions of the year marked by specific weather patterns and daylight hours (A)

Tidal bulges -- two ocean bulges created on opposite sides of Earth due to the moon's gravitational pull and ocean's resistance to the pull (B)

Tides -- the rise and fall of sea levels due to gravitational forces (C)

max2010maxim [7]3 years ago

6 0

Equator: D)
Seasons: A)
Tidal bulges:B)
Tides:C)

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PtichkaEL [24]

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3 years ago

When n liters of fuel were added to a tank that was already 1 3 full, the tank was filled to 7 9 of its capacity. In terms of n,

Zarrin [17]

Answer: 9/4n

Explanation:

Let's take T to represent tank

When n litres of fuel was added to tank that was 1/3 full = n + 1/3T

The tank was 7/9T

n+1/3T = 7/9T

n =7/9T - 1/3T

n = 4/9

If a full tank is taken to be 1 = 9/9

Hence, we will have 1 = x × n

1 = x × 4/9

x = 9/4

Hence 9/4 of n = 9/4n

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3 years ago

Suppose you have two small pith balls that are 5.5 cm apart and have equal charges of -29 nc?

zysi [14]

The question is missing, however, I guess the problem is asking for the value of the force acting between the two balls.

The Coulomb force between the two balls is:
$F= k_e \frac{ q_1 q_2}{r^2}$
where $k_e=8.99\cdot10^9~N m^2 C^{-2}$ is the Coulomb's constant, $q_1=q_2=29~nC=29\cdot 10^{-9}~C$ is the intensity of the two charges, and $r=5.5~cm=0.055~m$ is the distance between them.

Substituting these numbers into the equation, we get
$F=2.5~10^{-3}~N$

The force is repulsive, because the charges have same sign and so they repel each other.

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2 years ago

What will happen to the volume of the gas when the temperature is increased?

denpristay [2]

Answer:

the pressure will increase.this will cause the molecules of the gas will move faster and thats why the pressure or force increase the volume is the same

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3 years ago

Materials that conduct heat and electricity well in the solid state result when

MA_775_DIABLO [31]

Materials that conduct heat and electricity well in the solid state result when metals bond with metals. This type of bonding is called metallic bonding. Metallic bonding is when positive ions (metals) are in a 'sea of negative electrons'. The electrons are delocalised, which means they can move around easily and carry charge, and this enables it to conduct electricity, even in a solid state.

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3 years ago