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A copper rod, an aluminum rod, and a brass rod, each of 6.00 m length and 1.00 cm diameter, are placed end to end with the aluminum rod between the other two. The free end of the copper rod is maintained at water"s boiling point, and the free end of the brass rod is maintained at water"s freezing point. What is the steady-state temperature of
(a) the copperaluminum junction and
(b) the aluminum-brass junction?
The vapor pressure of dichloromethane, CH2Cl2, at 0 C is 134 mmHg. The normal boiling point of dichloromethane is 40. Calculate its molar heat of vaporization
A 0.20-kg object attached to the end of a string swings in a vertical circle whose radius is 80 cm. find the magnitude of the tension in the string at this position
An engine has a hot-reservoir temperature of 910 K and a cold-reservoir temperature of 530 K. What is the efficiency of the engine
The tension in a string by a linear mass density of 0.00100 kg/m is 0.490 N. What is the frequency of a sinusoidal wave on this string by a wavelength of 0.200m?
A mechanism is made up of links OA, AB and BD. At the instant shown, link OA is vertical and links AB and BD are horizontally aligned. At this instant, link BD is rotating CW at wbd with this angular speed changing at ?bd.
A Styrofoam ball of the same size as the lead ball takes a longer time to reach the ground. Which of the following is a good explanation for this? Briefly, describe your reasoning. Air resistance is a significant force in this problem
3 charges (q1=2q, q2 = 3q, q3=-q ) where q = 1c , are arranged to form an equilateral triangle that is 10 cm on a side. What is the electric feild in the middle
On average, an electric water heater operates for 1.6 hour each day. Determine the resistance of a typical water heater
A 3.0-cm -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 18cm . How many places can you put the lens to form a well-focused image of the candle flame on the wall?
The middle C string on a piano is under a tension of 900 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string
Two identical cylinders (except for their volumes) at the same temperature each contain the same kind of gas and the same numberof moles of gas. If the volume of cylinder A is 6 times greater than the volume of cylinder B,what can you say about the r..
In a very busy off-campus eatery one chef sends a 217-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter from left to right at 1.67 m/s. At what speed does it move
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