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Physics, 21.06.2019 20:20
Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.
Answers: 3
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain
Answers: 2
Physics, 22.06.2019 02:10
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 04:30
The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.
Answers: 1
Mathematics, 17.06.2021 20:10
Biology, 17.06.2021 20:10
Mathematics, 17.06.2021 20:10
History, 17.06.2021 20:10
Mathematics, 17.06.2021 20:10
Chemistry, 17.06.2021 20:20
Mathematics, 17.06.2021 20:20
Biology, 17.06.2021 20:20
Mathematics, 17.06.2021 20:20
Mathematics, 17.06.2021 20:20
Mathematics, 17.06.2021 20:20