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natima [27]
3 years ago
9

If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?

Physics
1 answer:
Taya2010 [7]3 years ago
8 0
I'm sure the temperature will increase get higher and u can't cope
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How are the components of a heterogeneous mixture distributed?
Lena [83]

Answer:

heterogeneous mixture has components that are not evenly distributed. This means that you can easily distinguish between the different components.

3 0
2 years ago
If a circle was flattened by pushing down on it, it would most likely form into the shape of ----------- which has ----------- f
murzikaleks [220]
The question is looking for "ellipse" and "two" to fill in the blanks.
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3 years ago
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You are doing an experiment to determine your reaction time. Your friend holds a ruler. You place your fingers near the sides of
olga2289 [7]
I'm guessing that you mean like this:
-- The ruler is held with zero at the bottom, and the centimeter markings
    increase as you go up the ruler.
-- You place your fingers with the ruler and the zero mark between them.
-- The number where you catch the ruler is the distance it has fallen.

Then, all we have to find is the time it takes for the ruler to fall 11.3 cm .

Here's the formula for the distance an object falls from rest
in a certain time:

                Distance = (1/2) (gravity) (time)²

On Earth, the acceleration of gravity is 9.8 m/s².
So we can write ...

                              11.2 cm  =  (1/2) (9.8 m/s²) (time)²
or
                         0.112 meter  =  (4.9 m/s²) (time)²                      

Divide each side
by  4.9 m/s² :        (0.112 m) / (4.9 m/s²)  =  time²

                            (0.112 / 4.9)  sec²  =  time²

Square root
each side:            time = √(0.112/4.9  sec²)

                                  =  √ 0.5488 sec²

                                  =      0.74 second     (rounded)  

4 0
3 years ago
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Two people on ice skates push against each other. The person on the left is 50kg, the person on the right is 60kg. If the person
Zarrin [17]

I got -3.6 m/s but I had to do conservation of momentum for this question. Which involves Newtons third law but with simply that law I do not know how to complete this question. If you would like me to post my work I will though! Sorry

6 0
2 years ago
The electric field in a certain region of Earth’s atmo- sphere is directed vertically down. At an altitude of 300 m the field ha
I am Lyosha [343]

Answer:

Net charge contained in the cubeq= 3.536×10^-6C

Explanation:

Formular for total flux in a cube is given as:

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Where A is crossectional area

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Total flux= q/Eo

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q=(8.84×10^-12)×(100)^2×(100-60)

q= 3.536×10^-6C

6 0
3 years ago
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