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Solve the all parts of given problem:
Problem: A 30.6 g block of copper whose temperature is 435 K is placed in an insulating box with a 125 g block of lead whose temperature is 127 K.
Part A: What is the equilibrium temperature of the two-block system?
Part B: What is the change in the internal energy of the two-block system between the initial state and the equilibrium state?
Part C: What is the change in the entropy of the two-block system? The heat capacities of copper and lead are 386 J/kg•K and 128 J/kg•K, respectively.
I need help to find the equilibrium temperature of the two-block system.
a 85-turn circular coil has diameter 4.3cm and resistance 2.9o. this coil is placed inside a solenoid with coil and
1. a car is driving along a straight section of highway between oklahoma city and tulsa. at one point in time the car
The plates of a capacitor are separated by 0.0050 m. The capacitor is charged by a potential difference of 5.0 V and then disconnected. Now you separate the plates to a distance of 0.015 m. What is the new potential difference between the plates?
The car that hits a concrete barrier and takes 0.3 seconds to stop.
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In a double-slit experiment, two parallel slits are illuminatedfirst by light of wavelength 464 nm, and then bylight of unknown wavelength. What is the unknown wavelength
A ship is floating on a lake. Its hold is the interior space beneath its deck; the hold is empty and is open to the atmosphere. What volume of water per second leaks into the ship
The upward normal force exerted by the floor is 740N on an elevator passenger who weighs 790N. What is the reaction force to weight of the passenger
In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is aiding the motion by providing a steady force of 184 N that is parallel to the motion of the sled.
A 3.3 k and a1.8 k resistor areconnected in parallel and this combination is connected in serieswith a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the maximum voltage that can be applied across the whole network?
A Carnot engine works between temperatutes T1 = 495K and T2 = 302K. What is the Carnot coefficient of performance, KC, of the refrigerator
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