All of the fallowing are possible sources of error in a scientific investigation exept for a. measuring the materials of an experiment incorrectly. b. not controlling all the variables in an experiment c. adding research resources during an investigation d. discovering new variables as the experiment proceeds
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Physics, 21.06.2019 20:20, JASMINEM8347
Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?
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Physics, 22.06.2019 01:30, kaylin28
Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33
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Physics, 22.06.2019 05:30, iiwolfiexuni
Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine
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All of the fallowing are possible sources of error in a scientific investigation exept for a. measur...
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