In this exercise we have to use the knowledge in distance, in this way we will find that the proportional distance found is:
So from the information given in the text we find that:
First, we need to find in what way or manner often the radius of the brightest star exist considerable respect to the range of the ball significance, that exist given apiece following equating:
Now, we can calculate the distance from the center of the sun to the center of the sphere representing the earth:
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Answer:
d = 0.645 m(assuming a radius of the ball bearing of 3 mm)
Explanation:
The given information is:
We need to assume a radius for the ball bearing, so suppose that the radius is 3 mm = .
First, we need to find how many times the radius of the sun is bigger respect to the radius of the ball bearing, which is given by the following equation:
Now, we can calculate the distance from the center of the sun to the center of the sphere representing the earth, :
[tex] d_{s} = \frac{d_{e}}{r_{s}/r_{b}} = \frac{1.496 \cdot 10^{11} m}{2.32\cdot 10^{11}} = 0.645 m
I hope it helps you!
The mass of the platinum if the volume is 113 cm³ and density is 21.4 g / cm³ is 2.418 kilograms or 2 kilograms and 418 grams.
The density is the mass of a material substance per unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.
As an illustration, the density of Earth is 5.51 grams per cubic centimeter, whereas the density of water is 1 gram per cubic centimeter.
Given:
The volume of the platinum disk, V = 113 cm³,
The density of platinum, d = 21.4 g / cm³
Calculate the mass using density and mass relation as shown below,
density = Mass of the platinum / Volume of the platinum
21.4 = Mass of the platinum / 113
Mass of the platinum = 21.4 × 113
Mass of the platinum = 2418.2 g
As we know 1 kg = 1000 grams,
Mass of the platinum = 2418.2 / 1000
Mass of the platinum = 2.418 kg
Thus, the mass of the platinum is 2.418 kg.
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B) 14 J
C) 15 J
D) 17.5 J