3 years ago

The diagram shows the molecular structure of propane. What is the chemical

Physics

2 answers:

ad-work [718]3 years ago

6 0

Answer:

Explanation:

Took the test

erica [24]3 years ago

4 0

Answer: B. C3H8

Explanation: Just took the test on A.PEX

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Explain how Copernicus concluded that stars were farther away than planets. Draw a diagram showing how this principle applies to

Rainbow [258]

<span>Copernicus decided this with more of an educated guess than anything. For example is when your standing right next to a plane it's huge Right? Well when it's flying it looks really small. He used the same reasoning for stars. Since it looks small it must be farther away.</span>

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3 years ago

A concrete piling of 50 kg is suspended from a steel wire of diameter 1.0 mm and length 11.2 m. How much will the wire stretch?

pentagon [3]

Explanation:

It is given that,

Mass of concrete pilling, m = 50 kg

Diameter of wire, d = 1 mm

Radius of wire, r = 0.0005 m

Length of wire, L = 11.2

Young modulus of steel, $Y=20\times 10^{10}\ N/m^2$