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Debora [2.8K]
3 years ago
5

A plane traveled west for 4.0 hours and covered a distance of 4,400 kilometers. What was its velocity? 18,000 km/hr

Physics
2 answers:
Leto [7]3 years ago
7 0
The correct answer is 1100, I know this answer is correct cause i got it right when i turned it in.
olga55 [171]3 years ago
5 0

Velocity is the same as the formula for speed, the only difference is velocity has direction. Velocity is distance over time. Given is 4,400 kilometers travelled west in 4 hours. Applying the given equation, we wil have 4,400/4 = 1,100 km/hr west

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Answer:

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Kepler's third law states that the square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.

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Converting the mean distance of the new planet to astronomical unit (a.u.)

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Substituting the values into Kepler's third law equation;

                                    \frac{(43.07)^{3}}{T^{2}}  =  7.496 * 10^{-6}  

                                    T^{2} = \frac{(43.07)^{3}}{7.496 * 10^{-6}} (days)²

                                    T^{2} = \sqrt{\frac{(43.07)^{3}}{7.496 * 10^{-6}}}

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An estimate time T for the new planet to travel around the sun in an orbit is 103239.89 days

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