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Question 1: Describe the concept of thermal equilibrium.
Question 2: Give your own example of a thermal equilibrium.
Question 3: 250 mL of water at 35 °C was poured into a 350 mL of water at 85 °C.
The final temperature of this mixture was measured to be 64.16 °C. Is this final temperature possible? Justify your reasoning.
A 1.7-m length of horizontal pipe has a radius of 6.50 10-3 m. What is the pressure in the flowing water at the left end of the pipe
Only a single wire is necessary to make a phone connection. What is the resistance (due to the earth) between the terminals
A guitar string of diameter 0.6 mm and length 0.74 m is subject to a tension of 140 N. what is Young's modulus of the string
The combined mass of the car and driver is 750kg. What is the centripetal acceleration of the car? What is the magnitude of the centripetal force of the car?
A sheet of glass having an index of refraction of 1.40 is to be coated by a film of material having an index of refraction of 1.55 in order that green light with a wavelength of 525 nm (in air) will be preferentially transmitted via constructive inte..
question1a spherical mirror is polished on both sides. when concave side is used as a mirror the magnification is 2.0.
What are the x components of the average accelerations
Three particles of mass m = 2.4 kg are fastened to three rods of length d = 0.69 m and negligible mass. The rigid assembly rotates about point O at angular speed ? = 7.5 rad/s. About O, what are (a) the rotational inertia of the assembly, (b) the mag..
A billiard ball (the 8-ball) rests directly in front of the side pocket. Pool-hand Peta calls the shot into the side pocket to the right and shoots it in. Find the fraction of energy remaining after the collision
Starting from the top left corner and moving clockwise the charges are -10 uC, -10 uC, 5 uC, and 5 uC. What is the electric field at the center of the square array of charges
A sample of an ideal gas is at a temperature of 300 K. The rms molecular speed at this temperature is measured as 1368 m/s. Calculate the mass of a molecule of this gas
When 195 g of a substance is heated to 335°C and then plunged into a 100 g aluminum calorimeter cup containing 134 g of water at 13.0°C, What is the specific heat of the substance
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