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3 years ago

Square is to circle what is a cube to?

Mathematics

1 answer:

dusya [7]3 years ago

5 0

<span>Square is to circle what is a cube to sphere.</span>

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A spring with a spring constant k of 100 pounds per foot is loaded with 1-pound weight and brought to equilibrium. It is then st

shutvik [7]

Answer:

Equation of movement y(t)

$y(t)=sin(10t-\pi/2)$

Amplitude: 1 inch

Period: 0.628 seconds

Step-by-step explanation:

If there is no friction, the amplitude will be the length it was streched from the equilibrium. In this case, this value is 1 inch

$A=1\,inch$

The period depends on the mass and the spring constant.

The formula for the period is:

$T=\frac{1}{f} =\frac{2/pi}{\omega} =2\pi\sqrt{\frac{m}{k}}=2\pi\sqrt{\frac{1}{100}}=2\pi*0.1=0.628\, s$

The model y(t) for the movement of the mass-spring system is

$y(t)=A\cdot sin(\omega t +\phi)\\\\A=1\\\\\omega=\sqrt{k/m} =\sqrt{100/1}=10\\\\y(0)=Asin(\phi)=-A\\\\ \phi=arcsin(-1)=-1.571=-\pi/2\\\\\\y(t)=sin(10t-\pi/2)$

8 0

3 years ago

Kaylin is tracking the progress of a plant’s growth. Today the plant is 4 cm high. The plant grows 0.5 cm per day.

antoniya [11.8K]

Answer: I dont know the answer becuase this makes no sinse what are you trying to ask because all you are saying is how much it grows a day

Step-by-step explanation:

8 0

3 years ago

Plz help me and answer right

azamat

I think it might be 30 but I don’t know

3 0

3 years ago

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HELPPP!!!!!!!!!!!!!! meeee ok so there are 12 boys and 8 girls in the french club. what is the ratio of boys to girls.

san4es73 [151]

Answer:

3:2

Step-by-step explanation:

The ratio of boys to girls will be 12:8

But, this can be simplified, since both numbers are divisible by 4.

12/4 = 3

8/4 = 2

So, the simplified ratio of boys to girls is 3:2

5 0

4 years ago

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Which ones are true !!!!?????

MAXImum [283]

Answer:

both If's and a b

Step-by-step explanation:

I don't know for sure

7 0

2 years ago