Kepler modified copernicus's model of the universe by proposing that the a. planets follow a circular orbit around the sun. b. paths of the planets follow an elliptical orbit around the sun. c. planets have their own orbits around themselves as they orbit the sun. d. planets follow an elliptical orbit every leap year.
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Physics, 22.06.2019 07:00
Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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Physics, 22.06.2019 18:00
The protons in a nucleus are approximately 2 ā 10^ā15 m apart. consider the case where the protons are a distance d = 1.93 ā 10^ā15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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Physics, 22.06.2019 19:50
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n ā ā n (9.8)(45ā3 xi) i = 1 Ī“x express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
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Physics, 22.06.2019 21:00
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
Kepler modified copernicus's model of the universe by proposing that the a. planets follow a circula...
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