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vazorg [7]
3 years ago
7

Complete this sentence. If mass remains the same while the volume of a substance ________, the density of the substance will____

___________. decreases, decrease increases, decrease increases, stay the same decreases, stay the same
Physics
2 answers:
Natasha_Volkova [10]3 years ago
7 0

Answer:

increases, decrease

Explanation:

The density of a body is the measure of mass concentration of a material. It is an intrinsic property which is constant. It is the ratio of mass and volume

m = Mass

v = Volume

Density

\rho=\frac{m}{v}

This means that density is inversely proportional to volume.

So, if volume increases density will decrease.

MariettaO [177]3 years ago
5 0
If mass remains the same while the volume increases, the density of the substance will decrease.
If mass remains the same while the volume decreases, the density of the substance will increase.
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A car is traveling to the right with a speed of 29m/s ​ when the rider slams on the accelerator to pass another car. The car pas
adoni [48]

Answer:

Acceleration of the car is 1.43\ m/s^2.

Explanation:

It is given that,

Initial speed of the car, u = 29 m/s

Finally it reaches a speed of, v = 34 m/s

Distance, d = 110 m

We need to find the acceleration of the car as it speed up. It can be calculated using third law of motion as :

v^2-u^2=2ad

a=\dfrac{v^2-u^2}{2d}

a=\dfrac{(34)^2-(29)^2}{2\times 110}

a=1.43\ m/s^2

So, the acceleration of the car as it speeds up is 1.43\ m/s^2. Hence, this is the required solution.

6 0
3 years ago
Ricardo is on vacation, doing some mountain climbing. He notices that the higher he goes up a mountain, the colder he feels. He
Irina-Kira [14]

Answer:

B. an inverse relationship

Explanation:

Here is the complete question

Ricardo is on vacation, doing some mountain climbing. He notices that the higher he goes up a mountain, the colder he feels. He remembers his physics teacher teaching about these types of relationships. What is the type of relationship between mountain elevation and temperature? A. a positive relationship B. an inverse relationship C. a neutral relationship D. a direct relationship

Solution

It is an inverse relationship because, as Ricardo's mountain elevation increases, he feels colder. So, as his mountain elevation increases, the temperature decreases.

Since one variable decreases while the other increases, it can only be an inverse relationship.

Let h be Ricardo's mountain elevation and T his temperature. So by inverse proportionality,

h ∝ 1/T

h = k/T

hT = k = constant

So, we have an inverse relationship and B is the answer.

8 0
3 years ago
Read 2 more answers
Answered: A 4 kg mass is attached to a horizontal spring with the spring constant of 600 N/m and rests on a frictionless surface
butalik [34]
Glad it’s figured out
6 0
3 years ago
What is the net force on this object?​
Sergio039 [100]
200N

Explanation:
600N-400N = 200N
6 0
3 years ago
Which is the wavelength of a wave that travels at a speed of 3.0 × 10^8 m/s and has a frequency of 1.5 × 10^16 Hz?
k0ka [10]

Answer:

2 x 10^-8

Explanation:

the formula of wavelength is

the speed divided by frequency

so you have the speed given = 3.0x10^8m/s

and frequency = 1.5×10^16 Hz

so wavelength = 3.0x10^8m/s / 1.5x10^16 Hz

7 0
3 years ago
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