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An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 490 g sample of silver at an initial temperature of 90°C is placed in the water. The stirrer is used to stir the mixture gently until it reaches its final equilibrium temperature of 32°C. Calculate the mass of the aluminum cup.
........ g.
Compute the final temperature using the ideal gas law and van der Waals equations of state. Assume that Cvm = 3/2 R and the van der waals parameters for Argon are a = 1.355 dm6bar/mol2 and b = 0.0320 dm3/mol.
On a pleasure cruise a boat is traveling relative to the water at a speed of 4.94 m/s due south. find the magnitude of the passenger's velocity relative to the water
An observer in frame S standing at the origin observes two flashes of colored light separated spatially by ?x = 2980 m, Find the magnitude and direction of v.
the earth completes a circular orbit around the sun in one year. the orbit has a radius of 93,000,000 miles. what is the speed of the earth around the sun in m/s? Report your result using scientific notation.
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.0° below the horizontal. The length of time the car is in the air
A 35kg child slides down a playground slide at aconstant speed, The slide has a height of 4.0mand is 7.4m long, find the magnitude of the kinetic friction force acting on the child
An east-west electric power line carries a 500-A{\rm A} current toward the east. Determine the direction of this magnetic field at Earth's surface directly under the wire
Three liquids are at temperatures of 5.0°C, 21°C, and 33°C, respectively. Equal masses of the first two liquids are mixed, Find the equilibrium temperature when equal masses of the first and third are mixed
the velocity of a boat with respect to the water is 4.0 m/s at an angle of 30.0 degrees North of East. What is the velocity of the boat
A 10 N book is placed on a table. a) What is the mass of the book? b) If 20 N of force is needed to keep the book moving at constant velocity, what is the books acceleration
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..
Two parallel straight wires are 10 cm apart carry currents in opposite directions. Determine the magnitude and direction of the magnetic field halfway between the wires
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