Question based on the tension in the string
A rock of 5.39 kg whose density is 5060 kg/m3 is hanged by a string such that half of the rock's volume is beneath water. Determine the tension in the string?
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An ice cube of 97.4 g at -13°C is positioned in an aluminum cup whose initial temperature is 80°C. The system comes to an equilibrium temperature of 22°C. Determine the mass of the cup?
Minute Maid states that the bottle of juice contains 473 mL. Consumer groups are interested in estimating if the bottles contain less than the amount stated upon the label. To test their claim, they sample 30 bottles. The sample mean was 472mL and
A 7.2 cm × 7.2 cm × 7.2 cm wood block having a density of 660.55 kg/m3 floats in water. Determine the distance from the top of the block to the water when the water is fresh?
Find in which administration follow variables will be higher ; investment spending, consumer spending, government saving and private saving and net exports. Describe the answers.
Explain what does three resistors joined in series mean. Write down the relationship between the voltages across and the currents flowing via each one of them?
A sample of 30 respondents was questioned. The average number of hours worked per week was 39.49 hours with the standard deviation of 14.86 hours. What is the test statistic?
A GaAs crystal is on the coordinate system such that an arsenic atom sits at the position 0,0,0 and a gallium atom sits at (a/4),(a/4),(a/4).
The average atmospheric pressure P in pounds per square inch is P = 14.7e?-0.21x, where x is altitude in miles above sea level. Determine average atmospheric pressure for the altitude of 8.1 miles.
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