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nikitadnepr [17]
2 years ago
13

How can being scientifically literate help you in your own life?

Physics
1 answer:
stiv31 [10]2 years ago
8 0

Answer: You can betterly understand what's around you and how it works

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1. An asphalt block has a mass of 90 kg and a volume of 0.075 m. Determines the density of the asphalt.
Kisachek [45]

Answer:

1. Density = 1200[kg/m^3]; 2. Volume= 0.005775[m^3], mass= 15.59[kg]

Explanation:

1. We know that the density is defined by the following expression.

Density = \frac{mass}{volume} \\where:\\mass=90[kg]\\volume=0.075[m^{3} ]\\density=\frac{90}{0.075} \\density=1200[\frac{kg}{m^{3} }]

2. First we need to convert the units to meters.

wide = 35[cm] = 35/100 = 0.35[m]

long = 11 [dm] =  11 decimeters = 11/10 = 1.1[m]

Thick = 15[mm] = 15/1000 = 0.015[m]

Now we can find the density using the expression for the density.

density= \frac{mass}{volume} \\where:\\volume = wide*long*thick\\volume=0.35*1.1*0.015 = 0.005775[m^3]\\\\mass= density*volume = 2700*0.005775 = 15.59[kg]

7 0
3 years ago
Acceleration is rate of change of <br>A-Position<br>B-Time<br>C-Velocity<br>D-Speed​
Drupady [299]
<h3>Answer:</h3>

[C] Velocity.

<h3>Explanation:</h3>

<u>As we know that</u>,

  • a = v - u/t

<u>where, a = acceleration, v = final velocity, u = initial velocity and t = time taken to travel</u>.

8 0
3 years ago
Read 2 more answers
Ellipses have only one focus. Question 14 options: True False
laila [671]

Answer:

False. This is because ellipses have 2 focus points and not only one.

6 0
2 years ago
Which characteristics can be used to differentiate star systems? Select three options.
anyanavicka [17]

Answer:

1,3and4 just did and got correct

Explanation:

5 0
2 years ago
Can someone please help, ty!!<br> Will mark brainliest.
Vinil7 [7]

Answer:

#1 ( Balanced ) ( Rest)

#2 ( Unbalanced)  ( Accelerating)

Explanation:

3 0
3 years ago
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