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dusya [7]
2 years ago
7

If a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°C, what will be the volume at 50°C?

Physics
1 answer:
Klio2033 [76]2 years ago
5 0
From tables, the density of mercury is
13545 kg/m^3 at 20°C,
13472 kg/m^3 at 50°C.

Because mass = density * volume, the mass of mercury at 20°C is
m = (13545 kg/m^3)*(0.002 m^3) = 27.09 kg

Let V  = volume of mercury at 50°C.
Because the mass of mercury does not change, therefore at 50°C,
(13472 kg/m^3)*(V m^3) = 27.09
V = 27.09/13472 = 0.0020108 m^3

Answer:  B. 0.002010812 m³
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Answer:

Energy is transferred from Priya to the box.

Explanation:

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4 0
2 years ago
a truck drives up a hill with a 15 incline. if the truck has a constant speed of 22m/s, what are the horizontal and vertical com
Kamila [148]

Answer:

speed of truck (v) =  22 m/s ,

angle of hill (Θ) =15°

Find

Vertical component (Fv) = ?

Harizontal component (Fh) =?

               Vertical component (Fh) = V cosΘ

                                                        = 22. cos 15

                                                        = 21.25 m/s.

               Harizontal component (Fv) = V sinΘ

                                                            = 22. sin 15

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3 0
3 years ago
In order for an object to accelerate (blank) must be applied.
yaroslaw [1]

Answer:

a force

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a force causes a certain object to move and make a displacement.

4 0
2 years ago
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A scientist heats flexible container full of neon gas .what will most likely happen to the container as the gas absorbs heat
Ilia_Sergeevich [38]
As the container starts to heat up, so will the neon gas. Heat is nothing but energy, and when you add energy to a gas, it will start vibrating much faster and hit the edges of the container at a higher rate and a faster velocity. Therefore, it's possible to deduce that the container will most likely rupture and/or "explode". 
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You perform a double‑slit experiment in order to measure the wavelength of the new laser that you received for your birthday. Yo
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laser's wavelength λ = 597.4 nm

Explanation:

Given:

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λ = (1.17x10⁻³ * 4.57x10⁻²) / (8.95 x 10)

λ = 5.3469‬x10⁻⁵ / 8.95x10¹

λ = 0.5974 x 10⁻⁵⁻¹

λ = 0.5974 x 10⁻⁶ m

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6 0
3 years ago
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