Determine the distance from the top of the block to water
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?
When its sea-water?
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A restaurant decides to to test their oven's thermostat to see if it is working properly, that is, if actual temperature inside the oven is the same as the temperature to which thermostat was set. Twenty times, the oven was set at 350 degrees and
What mass of ammonia is in the container if a 250.0 mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4 degree C.
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
Find in which administration follow variables will be higher ; investment spending, consumer spending, government saving and private saving and net exports. Describe the answers.
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?
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?
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