Physics, 22.03.2021 21:10 leakcamille8953
What is one of Kepler's laws of planetary motion?
a. Planets move on elliptical orbits with the Sun at one focus.
b. Gravitational force between two objects decreases as the distance is squared.
c. An object in motion remains in motion.
d. Inner planets orbit in the opposite direction of outer ones.
Answers: 3
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Abird sitting high in a tree is an example of what type of wnergy
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Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
Physics, 22.06.2019 09:40
Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.
Answers: 3
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
What is one of Kepler's laws of planetary motion?
a. Planets move on elliptical orbits with the Sun...
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