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kogti [31]
3 years ago
9

Density is equal to

Physics
1 answer:
Alex_Xolod [135]3 years ago
7 0

For this case we have that by definition, the density of a body is given by:

ρ= \frac {M} {V}

Where:

M: It is the mass of the body

V: It is the volume of the body

So the correct option is:

"mass divided by volume"

Answer:

mass divided by volume

ρ=\frac {M} {V}

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An astronaut on Earth notes that in her soft drink an ice cube floats with 9/10 of its volume submerged. If she were instead in
riadik2000 [5.3K]

Answer:

B) with 9/10 submerged

Explanation:

m = mass of ice cube

\rho = density of soft drink

V = Volume of soft drink displaced

ice cube floats in the soft drink when the force of buoyancy on it balances its weight. Force of buoyancy acting on the cube in upward direction is same as the weight of the soft drink displaced. hence we can write

weight of ice cube = weight of soft drink displaced

mg = \rho V g

m = \rho V

we see that the acceleration due to gravity cancel out both side and hence it does affect as astronaut is on earth on in a lunar module.

8 0
3 years ago
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The answer would be ?
Cerrena [4.2K]

Answer:

D. demand; increased

Explanation:

Demand is how much people want it.

4 0
3 years ago
HELP<br><br> These images represent waves. <br><br> Which wave has the highest frequency?
Ierofanga [76]

Wave C

because it is the closest or each wave is closer than the others

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3 years ago
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A bus took 8 hours to travel 639 km. For the first 5 hours, it
vladimir1956 [14]

Answer:

93 km/h

Explanation:

Given that a bus took 8 hours to travel 639 km. For the first 5 hours, it travelled at an average speed of 72 km/h

Let the first 5 hours journey distance = F

From the formula of speed,

Speed = distance/time

Substitute speed and time

72 = F/5

F = 72 × 5 = 360 km

The remaining distance will be:

639 - 360 = 279km

The remaining time will be:

8 - 5 = 3 hours

Speed = 279/3

Speed = 93 km/h

Therefore, the average speed for the remaining time of the journey is equal to 93 km/h

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What is the pressure 100m below the surface of the sea , if the density of sea water is 1150kg/m3
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The pressure at 100 meters below the surface of sea water with a density of 1150kg is 145.96 psi.
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