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A beaker of mass 325 g is sitting on a table. The beaker is filled with 210 g of water. The beaker and water are initially in thermal equilibrium at 22 ?C. An ice cube of mass 50 g, which was initially removed from an ice-water mixture, is dropped into the water, and the mixture is allowed to come to thermal equilibrium (assume the whole system is isolated). The equilibrium temperature is then measured to be 17 ?C. What is the specific heat of the beaker?
compare with the force of gravitational attraction between them.Find the position of the particle after this time.
A uniform solid flywheel of radius 1.4m and mass 15kg rotates at 2.4 rad/s. What is the magnitude of flywheel's angular momentum in kg.m^2/s.
An important feature of the Carnot cycle is that: A) its efficiency can be 100% B) its efficiency depends on the absolute temperature of the hot reservoir used.
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
Most dentist in the United States are make as the majority of nurses are female. These differences show how different cultures define.
What is constant speed V
A 1.20 liter flask contains a certain quantity of ideal gas at 305 K. next an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.30 times its original value. What is the final temperature.
while the other terminal of the ammeter is connected to the other wire, ammeter shows that the current through the wire is 1 A. You then disconnect everything and travel to the other end of the telephone line, where you repeat the process and find ..
find out the magnitude of the gravitational force exerted by one mass.
Imagine there has been a drastic rise in food-borne illness in the city in which you live. The public lacks the knowledge about proper food safety to stop these problems and they also do not know how to find precise nutritional information to educ..
suppose that both cars start at the same point, how much sooner does the faster car arrive at a destination 35 km away.
At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.
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