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Katyanochek1 [597]
3 years ago
15

Choose all that apply. Solids, liquids, and gases can be distinguished by their:

Physics
2 answers:
vodomira [7]3 years ago
8 0
I believe its by there shape
almond37 [142]3 years ago
8 0
I think it is mass and density. 
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V=IR
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The current that passes through a 10-ohm resistor = I
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Calculate the mass 9f the earth, assuring that uts is sphere with radius 6.67×10^6m.​
MA_775_DIABLO [31]

Answer:

6.86 × 10²⁴ kg

Explanation:

The mass of the earth m = density of earth, ρ × volume of earth, V

m = ρV

The density of the earth, ρ = 5515 kg/m³ and since the earth is a sphere, its volume is the volume of a sphere V = 4πr³/3 where r = radius of the earth = 6.67 × 10⁶ m

Since m = ρV

m = ρ4πr³/3

So, substituting the values of the variables into the equation for the mass of the earth, m, we have

m = 5515 kg/m³ × 4π(6.67 × 10⁶ m)³/3

m = 5515 kg/m³ × 4π × 296.741 × 10¹⁸ m³/3

m = 5515 kg/m³ × 1189.9639π × 10¹⁸ m³/3

m = 6546105.64378π × 10¹⁸ kg/3

m = 20565197.400122 × 10¹⁸ kg/3

m = 6855065.8 × 10¹⁸ kg

m = 6.8550658 × 10²⁴ kg

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8 0
3 years ago
A block with mass ma = 14.0 kg on a smooth horizontal surface is connected by a thin cord that passes over a pulley to a second
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3 years ago
1.How far is Object Z from the origin at t = 3 seconds?
GenaCL600 [577]

Answer:

Please find the answer in the explanation

Explanation:

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The distance of the object Z from the origin will be the slope of the graph.

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According to the graph given to the question above, object Z has the list time which is 2 seconds since object X does not start from the origin.

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The correct answer is still object Z because it has the highest slope.

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Why is it advised to tie any luggage kept on the roof of a bus with a rope?​
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While the bus is moving, luggage tends to remain in inertia of motion state. When the bus stops, the luggage tends to resist the change and due to inertia of motion it moves forward and may fall off. That's why it is advised to tie any luggage kept on the roof of a bus with a rope.

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