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BabaBlast [244]
3 years ago
14

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

another example.
Physics
1 answer:
Rainbow [258]3 years ago
8 0
<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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Please help me please help​
natita [175]

Answer:

<u>Answer</u><u> </u><u>→</u><u> </u><u>Distance</u><u> </u><u>is</u><u> </u><u>5</u><u> </u><u>×</u><u> </u><u>1</u><u>0</u><u>⁴</u><u> </u><u>km</u><u> </u>

Explanation:

Gravitational formular

{ \tt{F =  \frac{GMm}{ {r}^{2} } }} \\

  • F is the gravitational force
  • G is the universal gravitational constant
  • r is the separation distance
  • M & m are the masses

For the first case;

{ \tt{F _{1} =  \frac{GMm}{2.5 \times  {10}^{4} }  }} \\

For the second case;

{ \tt{F _{2} =  \frac{GMm}{r _{2}}  }} \\

but F2 = ½F1

Therefore, F1 = 2F2

Hence:

{ \tt{ \frac{GMm}{2.5 \times  {10}^{4} } =2 \times   \frac{GMm}{r _{2} }  }} \\  \\ { \tt{ \frac{1}{2.5 \times  {10}^{4} }  =  \frac{2}{r _{2} }  }} \\  \\ { \tt{r _{2} = 2 \times 2.5 \times  {10}^{4} }} \\  \\ { \underline{ \tt{ \:  \: r _{2} = 5 \times  {10}^{4}   \: km \:  \: }}}

8 0
3 years ago
In the following situations, which one does not have kinetic energy? A. a baseball in a catcher’s glove. . B. a lady walking slo
Lesechka [4]
Kinetic energy is the energy that an object possesses when it is in motion. In the given situations above, the one that does not have kinetic energy is option A. a baseball in a catcher's glove. This situation does not involve any motion because the ball is just being held. Options B,C and D are all in motion, which therefore possesses kinetic energy.
7 0
3 years ago
Obtain the temp. at which the reading of Fahrenheit is double of that in Celsius scale.​
SVEN [57.7K]

Answer:

320 degrees fahrenheit and 160 degrees celcius

Explanation:

there's a formula that i definately don't remember but it exists

7 0
3 years ago
DO NOT ANSWER IF YOU DONT KNOW What is the medium for a wave:
Thepotemich [5.8K]
Water fans/people air
5 0
3 years ago
HELP PLEASE NO LINKS
Anastaziya [24]

Answer:

  1. point C
  2. point C
  3. C to E
  4. 2
  5. mark me as brainliest ❤️

8 0
3 years ago
Read 2 more answers
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