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Physics, 21.06.2019 16:10
If two metal balls each have a charge of -10^-6 c and the repulsive force between them is 1 n, how far apart are they? (coulomb's constant is k = 9.0x 10^9 n-m^2/c^2? 9.5 m 9.0 mm 9.5 cm 0.9 m .
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Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
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Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
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Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m
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