What is the new balance reading
A beaker of water rests on an electronic balance that reads 999.0 g. A 2.2 cm-diameter solid copper ball attached to a string is submerged in the water, but does not touch the bottom. Tension in the string is 0.43 N. What is the new balance reading?
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A random sample of 70 needles was taken from a medical manufacturing facility and 24 were found to be defective. Calculate a 99% confidence interval for the true proportion of defective needles.
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A beaker of water rests on an electronic balance that reads 999.0 g. A 2.2 cm-diameter solid copper ball attached to a string is submerged in the water, but does not touch the bottom. Tension in the string is 0.43 N. What is the new balance readin
(a) Show that the oscillation is simple harmonic. (b) Find the period of the oscillation. Neglect the fact that the water has a damping effect on the motion.
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A vertical spring of k=115 N/m supports a mass of 75g. The mass oscillates in a tube of liquid. IF the mass is initially given an amplitude of 5.0cm, the mass is observed to have an amplitude of 2.0cm after 3.5 seconds. Estimate the damping consta
What is the reaction when VO2+ ions are addedto a tenfold excess of sodium sulfite in order to formVO2+ ions? Also why does one need touse a tenfold of reducing agent?
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