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Gwar [14]
3 years ago
10

joseph put water,sugar,and yeast into a balloon. Then he put the balloon in a warm place for 1 hour.which is most likeley to hap

pen to the balloon
Physics
2 answers:
leonid [27]3 years ago
6 0

Answer:

The balloon will expand.

Explanation:

Yeast is single cell micro organism. If it gets the right environment it behaves like a live micro organism. Every thing that is alive eats something, converts it into energy for self use and then creates a by product or waste. Yeast works the same way.

When warm water and sugar will be mixed with yeast, it will be activated and start eating sugar. It will convert sugar into alcohol and release carbon dioxide because of which the balloon will expand. This process is called as fermentation as well.

If the water is too cold or too hot the result will be different.

andreev551 [17]3 years ago
4 0
As the yeast feeds on sugar it creates carbon dioxide, and as the gas has no place to go it slowly fills the balloon up.
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An airplane with a mass of 5,000 kg needs to accelerate 5 m/s2 to take off before it reaches the end of the runway. How much for
Anastasy [175]

Answer:

<h2>25000 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 5000 × 5

We have the final answer as

<h3>25000 N</h3>

Hope this helps you

6 0
3 years ago
Which of the following would be valid reason to NOT build the power plant?
Inessa [10]

Answer:

all of the above

Explanation:

because power plant are the ones that cause pollution,it can also destroy ecosystems for animals,and it cant be built anywhere.

6 0
3 years ago
Read 2 more answers
Is a spring stores 5 J of energy when its conpresses by 0.5 m what is the spring constant of the spring?
d1i1m1o1n [39]

Answer:

k = 40 N/m

Explanation:

A spring's energy is given:

U = 0.5kx^2

U is the energy in the spring, k is the spring constant and x is the spring displacement.

We are told that the spring stores 5J of energy, therefore, U = 5J. We are also told that the spring is compressed by 0.5m, so the spring x = 0.5m

5 J = 0.5k(0.5m)^2\\5J = 0.5k(0.25m^2)\\5J = k*(0.125)m^2\\\\k = 5J/(0.125)m^2\\k = 40 N/m

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Hope this helps!

3 0
3 years ago
Which of the following is a heterogeneous mixture? A. salt B. dye in water C. sugar water D. a garden salad
dedylja [7]
D garden salad : )

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7 0
3 years ago
Ask Your Teacher A basketball player shoots toward a basket 5.8 m away and 3.0 m above the floor. If the ball is released 1.7 m
const2013 [10]

Answer:

The answer to your question is    vo = 5.43 m/s

Explanation:

Data

distance = d= 5.8 m

height = 3 m

height 2 = 1.7 m

angle = 60°

vo = ?

g = 9.81 m/s²

Formula

              hmax = vo²sinФ/ 2g

Solve for vo²

              vo² = 2ghmax / sinФ

Substitution

              vo² = 2(9.81)(3 - 1.7) / 0.866

Simplification

              vo² = 19.62(1.3) / 0.866

              vo² = 25.51 / 0.866

              vo² = 29.45

Result

              vo = 5.43 m/s

               

5 0
3 years ago
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