Physics, 12.12.2019 06:31 jlozaaaaaa408
The existence of the dwarf planet pluto was proposed based on irregularities in neptune's orbit. pluto was subsequently discovered near its predicted position. but it now appears that the discovery was fortuitous, since pluto is small and the irregularities in neptune's orbit were not well known. answer the following to illustrate that pluto has a minor effect on the orbit of neptune compared with other planets. (a) calculate the acceleration of gravity at neptune due to pluto when they are 3.2 1012 m apart. the mass of pluto is 1.3 1022 kg. g1 = m/s2 (b) calculate the acceleration of gravity at neptune due to uranus, when they are 3.2 1012 m apart. the mass of uranus is 8.68 1025 kg. g2 = m/s2 (c) give the ratio of this acceleration to that due to pluto. g2 g1 =
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Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
Physics, 22.06.2019 18:30
Which word expression describes how much to calculate pressure
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Physics, 23.06.2019 01:30
Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.
Answers: 1
The existence of the dwarf planet pluto was proposed based on irregularities in neptune's orbit. plu...
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