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Doss [256]
3 years ago
6

What led kepler to abandon circular orbits and his discovery that planetary orbits are ellipses?

Physics
1 answer:
Nimfa-mama [501]3 years ago
4 0
<span>A deviation between observed and model values that was much larger than the observation uncertainties led Kepler to abandon circular orbits and his discovery that planetary orbits are ellipses</span>
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Three small masses are positioned as follows: 2.0 kg at (0.0 m, 0.0 m), 2.0 kg at (2.0 m, 0.0 m), and 4.0 kg at (2.0 m, 1.0 m).
melamori03 [73]
Refer to the diagram shown below.

The given data is

mass, kg   Coordinates. m
-------------   -----------------
   2               (0, 0)
   2               (2, 0)
   4               (2, 1)

Total mass, M = 2+2+4 = 8kg
Let (x,y) be the coordinates of M.

Then, taking moments about the origin, we obtain
8x = 2*0 + 2*2 + 4*2 = 12
x = 1.5 m

8y = 2*0 + 2*0 + 4*1 = 4
y = 0.5 m

Answer:  (1.5, 0.5) m




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3 years ago
Explain the relationship between mass and gravity
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Answer:

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Explanation:

i did some research and this is what I got. hope it helps.

8 0
2 years ago
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Calculate the time it would take a motor with a power of 0.6kW to lift a suitcase of 20kg a distance of 50cm
True [87]

Answer:

0.163 s

Explanation:

Appying,

P = mgh/t................ Equation 1

Where P = power of the motor, m = mass of the suitcase, h = vertical distance, t = time, g = acceleration due to gravity.

make t the subject of the equation,

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Constant: g = 9.8 m/s²

Substitute these values into equation 2

t = (20×0.5×9.8)/600

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Yes cats only live up to nine years
4 0
3 years ago
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A wooden block has a mass of 986 g and a density of 16 g/ cm3. What is the volume?
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Density = Mass / Volume.
Volume = Mass / Density = 986 / 16 = 61.625 cm^3.
3 0
3 years ago
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