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1 a 2-kg ball is moving with a constant speed of 5 ms in a horizontal circle whose radius is 50 cm what is the
a comparison of the science of earth as compared with the other planets in our solar systema much is known about planet
what are the conditions necessary for life to take root evolve and flourish where might we find these outside of earth
1 the ratio of 1 kilogram1 milligram isa 102b 103c 106d 10-3e 10-62 the length of each side of a square is 40 m what is
1a biologist wishes to determine the density of an oil sample that she has extracted from a rare species of plant she
1 the origin of the moon isa a complete mystery to scientistsb the result of an ancient collision between earth and
planetary comparisoncompare the science of earth with the other planets in our solar system include the followinga
1compute the period of a satellite placed into orbit around the earth at a distance of tenth that to the moon2the local
suppose the mean radius of a planet is 679 106 m and that of its moon is 180 18 cm from these data calculate the
1 a 9000kg railroad car moving at 3ms strikes a stationary not moving 5000kg railroad car what is the kinetic energy of
1 describe the place of astrology in science how did the development of astrology follow or parallel the development of
1 describe a coordinate system that could be used to locate uniquely the seats in the classrooms of a multi-story
q1 a pile of 500 sheets of paper has a mass of 2 kg the pile is 300mm long 200mm wide and 50 mm thick calculateathe
1 how would you describe the use of newtons gravity to hold the solar system together to an elementary school child
1 a 5 kg block rests on a flat plane inclined at an angle of 300 to the horizon as shown in the diagram below what
1 should we continue to develop genetically modified foods and expand their use2 is there hope for a sustainable future
two astronomy questions site reference if used no minimum or max word count just enough to justify the answer1 do you
imagine that a civilization in another planetary system is sending a radio signal toward earth as our planet moves in
1 a total of 4900 j is expended in lifting a 50-kg mass the mass is raised to a height ofa 10 mb 98 mc 960 md 245 000
show all work step by step and provide justification and references1mcnary damahow tall is mcnary damsolution
a this question considers exoplanets the environments in which they are born and their methods of detectioniin book 8
the following questions and problems are from physics 7th edition by cutnell and johnson chapter 4 which includes the
1 a planet orbiting a star is occasionally hit by comets each comet has a mass of 48 106 kg of which 30 is rock and 70
1 an object is thrown upward at an angle above the ground eventually return to earth a is there any place along the
discuss why the inner planets are rocky and the outer planets are gaseous if the sun was substantially hotter than it