What is the density of that other liquid
An object hangs from a spring balance. The balance registers 31 N in air, 21 N when this object is immersed in water, and 29 N when the object is immersed in another liquid of unknown density. What is the density of that other liquid?
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An administrator inconspicuously followed 260 students and carefully recorded their parking times. Identify the population of interest to the university administrator. The parking times of the entire set of students that park at the university &nb
At some point, the valve between the tanks is opened and the water in the two tanks mix adiabatically. Determine the final state and phase of the mixture after it reaches equilibrium.
A certain batch of fireflies were observed to "flash" at the rate of 10.9 times per minute at 25°C and at the lower rate of 5.9 times a minute at a temperature of 15°C.
Lisa is baking cookies for a bake sale. She has to make at least two different types of cookies. She has a choice of chocolate chip, oatmeal raisin, pinoly cookies and 7 layer cookies. How many different combinations of cookies can she make if she
At the inlet, the velocity is 40 ft/s and the pressure 15 psia. At the exit, determine the mass flow rate, in lbm/s, and the velocity, in fps.
An electrochemical cell passes 2 moles of electrons for its balanced equation as written. At 290.97 K, the cell voltageis 0.88272 volts. At 256.65 K, the cell voltage is 1.06459volts.
It swings to an angle of 28.8 degrees with the vertical before coming to equilibrium (taking into account weight - do not ignore weight). If the mass of the charge is 3 kg, what is the surface charge density of sheet of charge in micro-Coulombs/m2
Cooling air at 25oC flows through the fin array with a heat transfer coefficient of 28 W/m2K. Calculate the temperature of the base of the semiconductor. Use k = 175 W/m-K for the aluminum.
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