3 years ago

Whose data did Kepler use to construct the laws of planetary motion?

Physics

1 answer:

salantis [7]3 years ago

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Answer: why did the chicken cross the road

Explanation: to get to the other side

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Difference between kilogram and kilometre in points

skelet666 [1.2K]

Answer:

Kilogram(kg) is the SI unit for mass while kilometre(km) is a unit for length. They are both similar in that they are 10^3 of a unit, thus kilo. As kilogram represents mass, it is a measure of how much matter is present in an object. While kilometre is a measure of distance/how long or short an object is.

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2 years ago

Use the drop-down menus to identify the parts of the

DochEvi [55]

Answer:

Label A: Battery, Label B: Light or Bulb, Label C: Switch

Explanation:

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2 years ago

Food and water are examples of _______ for populations.

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2 years ago

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3. Imagine a 10kg block moving with a speed of 20m/s<br> calculate the kinetic energy of this block

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The formula of the kinetic energy is:
$E_{k} = \frac{m v^{2} }{2}$
where m is a mass of the object, v is speed of the object at the moment of time. So we have:
$E_{k} = \frac{10* 20^{2} }{2} = 2000J$
The answer is 2000 Joules.

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3 years ago

If an astronaut can throw a certain wrench 15.0 m vertically upward on earth, how high could he throw it on our moon if he gives

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Answer:

hm= 18.2 m

Explanation:

Solution is attached

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3 years ago