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Elena-2011 [213]

3 years ago

9

2.when sugar or another substance is dissolved in water, it disappears from view and forms a homogeneous mixture with the water,

also called a solution. if you can’t see the sugar, how can you tell that it is there?

1 answer:

bekas [8.4K]3 years ago

3 0

You cant really tell when it is dissolved

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If the weight of the ruler is one Newton ,Gc cannot have a value more than 25cm

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If the length of the ruler is 50 cm, the center of gravity cannot be greater than 25 cm.

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Let the length of the ruler = L

The center of the gravity of the ruler is calculated as follows;

$X_{CG} = \frac{W(L_0) + W(L -X_{CG})}{W} \\\\X_{CG} = \frac{1(0) + 1(L -X_{CG})}{1}\\\\X_{CG} = L - X_{CG}\\\\X_{CG } + X_{CG} = L\\\\2X_{CG} = L\\\\X_{CG} = \frac{L}{2} \\\\when , \ L = 50 \ cm\\\\X_{CG} = \frac{50}{2} \\\\X_{CG} = 25 \ cm$

Thus, if the length of the ruler is 50 cm, the center of gravity cannot be greater than 25 cm. This may change if the length of the ruler changes because the center of gravity of uniform ruler depends on the length of the ruler.

Learn more about center of gravity here: brainly.com/question/6765179

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