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Liquid water at 453 K and 1002 kPa has an internal energy of 762 kJ/kg and a density of 890 kg/m3.
(a) What is the enthalpy (per weight and per volume)?
(b) We change the state to 573 K and 1500 kPA. The internal energy is now 2784 kJ/kg and the specic volume 169.7 cm3/g. What are ΔH and ΔU (per weight and per volume) ?
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
A 160 m wide river flows due east at a uniform speed of 4.05 m/s. A boat with a speed of 7.2 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. What is (a) magnitude and (b) direction of the boat's velocity r..
Two charges, +q and -q, are located in the x-y plane at points (0,+d/2) and (0,-d/2), respectively. Calculate the magnitude of the electric field at point P with the superposition principle
If the capacitor and unductor in part (a) are connected in an L-C circuit, what will be the resonance angular frequency of that circuit
Specific volume [ft^3/lbm] at the final state of tank
A luge and its rider, with a total mass of 96 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 42 m/s. What magnitude F is required for the decelerating force
A vector has components of 10.0 units along the x axis and 11.0 units along the y axis. What is the magnitude of the vector
You place your lunch leftovers in the refrigerator. Suppose the refrigerator needs to remove 1.5060E+4 J of thermal energy from your lunch to cool it to the temperature of the inside of the refrigerator, What is the total work done by the compresso..
A 1.55kg book is sliding along a rough horizontal surface. At point A it is moving at 3.31m/s , and at point B it has slowed to 1.41m/s. How much work was done on the book between A and B
Calculate the cutoff frequency of the dominant mode and determine how many modes are passed at three times cutoff frequency of dominant mode and calculate the cutoff frequency of the dominant mode
A gymnast of mass 69.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 for the acceleration of gravity.
A transformer has input voltage and current of 12 V and 6 A, and an output current of 0.8 A. how many turns are on the primary side
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