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Nostrana [21]
3 years ago
6

You are trying to make balloon sculptures. You twist the balloons gently, but they keep popping. Besides trimming your nails, ho

w could you you prevent that? Why will your strategy work?
Chemistry
2 answers:
levacccp [35]3 years ago
7 0

Answer:

Fill the balloons with less air to decrease the pressure.

Explanation: This is what they ask you if you included in your answer afterward on Edge 2020

Ivan3 years ago
4 0
Use gloves so your nails wont puncture it and because its soft
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Calculate the speed of light in water. The speed of light in air is 3.00 x 108 m/s.
xz_007 [3.2K]

Answer:

225,563,910 m/s

Explanation:

speed of light in water = speed of light in the air/refractive index

speed of light in water = 3.00 x 10^8 m/s/1.33

speed of light in water = 225,563,910 m/s

4 0
2 years ago
If the theoretical yield of RX is 56.0 g , what is the percent yield ?
maks197457 [2]
the complete question in attached figure

Let 
x------------------- >  actual yield
y------------------- > theoretical yield 
z------------------- > percent yield
we have that
z=x/y

we know
x=47 g
y=56 g

therefore

z=47/56=0.839 ---------------- > 83.9%

the answer is the option C 83.9%

4 0
3 years ago
Coffee is a solution of organic substances in water
Eduardwww [97]

Answer:

yes it is

Explanation:

8 0
3 years ago
Why are fibers birefringent
horrorfan [7]

Inevitable manufacturing imperfections in optical fiber leads to birefringence, which is one cause of pulse broadening in fiber-optic communications. Such imperfections can be geometrical (lack of circular symmetry), due to stress applied to the optical fiber and/or due to bending of the fiber.

4 0
3 years ago
Read 2 more answers
a book with a mass of 1 kg is dropped from a height of 3 m. what is the potential energy of the book when it reaches the floor?
mafiozo [28]
Well, first of all, the formula for finding potential energy is;
PE=mgh
  Where; m is the mass
               g is the gravitational force or acceleration due to gravity
                h is the height. 
   Anyway, according to the question, the mass is 1kg, the acceleration due to gravity has a constant value of 10ms² . And the height is 3m. Now you just have to use all these in the formula. So;
mgh= 1 x 10 x 3. That will be 30. And the unit of potential energy is Joule. So the answer is 30 joules. Hope i helped. Have a nice day.     
5 0
3 years ago
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