Physics, 23.11.2021 01:00 vallhernandez13
Two satellites are in circular orbits around a planet that has radius 9.00×106m. One satellite has mass 68.0 kg, orbital radius 5.00×107 m, and orbital speed 4800 m/s. The second satellite has mass 84.0 kg and orbital radius 4.00×107 m. What is the orbital speed of this second satellite?
Answers: 2
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In a system, when potential energy decreases, then entropy also decreases. true false
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Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
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Physics, 22.06.2019 16:00
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
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