How has the model of our solar system changed over time?

Answers

Answer 1

Answer: It depends.Ptolemy was one of the most famous astronomers who was convinced that or solar system was geocentric, or revolving around the earth. Then, Copernicus came around, along with Galileo, and the attempted to convince people that that wasn't true, but that we were revolving around the sun. In fact, if you're writing an essay, a good point to add would be that Galileo spent a large part of his life imprisoned for "disobedience of the (Roman) Gods.)"

Answer 2

Answer:

It always depends of how our solar system changed over time.

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The ability of a material to transfer heat or electric current is calledA. conductivity.
B. insulation.
C. porosity.
D. convection.

Answers

the answer is conductivity

Force = 65 kg x 3 m/s =What is the answer?

What units do you use for your end result?

Answers

Answer:

multiply 65kg and 3m/s^2

to get 195kgm/s

or 195N

wait is that 3m/s or 3m/s^2?

A wave oscillates 50 times per second. What is its frequency?

Answers

Answer: The frequency of the wave is 0.02 Hertz.

Explanation:

Frequency is a parameters which describe a wave. This is defined as the number of oscillations happening per unit second.

Mathematically,

$Frequency=\frac{1}{\text{Number of oscillations}}$

In the question,

Number of oscillations happening per second = 50

Putting this value in above equation, we get:

$Frequency=(1)/(50)\n\n\nu=0.02Hz$

Hence, the frequency of the wave is 0.02 Hertz.

You just told us how many times per second the wave oscillates. That's a definition of frequency. So the frequency of this wave is 50 per second or 50 hertz.

According to Kepler's law of harmonies, which of these planets takes the longest to orbit the Sun?

Answers

The planet in the orbit with the largest major axis takes the longest
to complete one orbital revolution.

I'm sorry I can't be any more specific, but you didn't list any planets
to choose from.

Answer:

Explanation:

The planet in the orbit with the largest major axis takes the longest

to complete one orbital revolution.

A stealth bomber is flying straight and level at a constant speed of 150 m/s at an altitude of 3500 m above the ground. It drops a bomb intended to hit a specific target on the ground. a) How long will it take for the bomb to hit the ground?

b) At what horizontal distance away from its target must the bomber release the bomb in order to strike its target?

**disregard air resistance**

Answers

$Height = (1)/(2) gt^2 \n \n 3500 = (1)/(2) (9.8)(t^2)\n \n3500 = 4.9t^2\n\nt^2 =714.285714286\n\n\boxed {t=26.73~seconds}$

$\sf Horizontal ~distance = velocity * time\n\n Horizontal distance =150 * 26.73 \n\nHorizontal ~distance =4009.5$

Send helpI have to do test corrections but I have no idea what the speed vs time graph should look like

Answers

Answer:

Explanation:

at the same instant means in the same moment, same time thus A and B share the same starting time which is t=0

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The law of suggests that the orbit of planets is not circular but .

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Calculate the average time it took the car to travel 0.25 and 0.50 meters with four washers attached to the pulley. Record the averages, rounded to two decimal places, in Table C of your Student Guide.What is the average time it took the car to travel 0.25 meters?seconds What is the average time it took the car to travel 0.50 meters?seconds

A 25 newton force applied on an object moves it 50 meters. The angle between the force and displacement is 40.0°. What is the value of work being done on the object?