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1. A rigid container of 100 L contains saturated water at 100°C. The water is heated, and it reaches the critical point. Determine the initial mass of water in the tank and its quality.
2. A piston-cylinder assembly contains 0.5 kg of water at 50°C and 500 kPa. It is then isobarically heated until all the water is vaporized. What is the final temperature and volume?
The velocity-time graph of part of a cyclist's trip consists of a straight line between v = 18.0 m/s at t = 13.0 s and v = 0 at t = 25.0 s
What is the escape speed on a spherical asteroid whose radius is 500 km and whose gravitational acceleration at the surface is 2.7 m/s2
The first sled is 30kg, connected with rope B to the second sled of mass 20 kg, connected with rope A to the first sled of mass 10 kg, which is being pulled by a rope of 137 N. Illustrate What is the tension in ropes A and B.
A point charge of +6 μC is located at x = −2 cm, and a second point charge of −8 μC is located at x = 1 cm. Where must a third charge of +2 μC be placed so that the electric field at x = 0 cm is zero?
A river flows due east at 1.43 m/s. A boat crosses the river from south shore to the north shore by maintaining a constant velocity of 10.5 m/s due north relative to the water.
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.5 N. What is the sample's specific heat
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 5.20 m/s2 over a distance of 20.4 cm. Find the total time the block is in motion
A friend in a spaceship travels past you at a high speed. He tellsyou that his ship is 22 m long and thatthe identical ship you are sitting in is 19 m long. According to your observations, how long is your ship
The Dielectric Constant for polystyrene filling is 2.5. A coaxial cable consists of a cylindrical metal sheath with interior radius b=3.2cm surrounding a wire with exterior radius a=0.8cm
In a Compton scattering experiment, an x-ray photon scatters through an angle of 18.0° from a free electron that is initially at rest. Calculate the angle through which the electron scatters
A 28.0-mH inductor has a reactance of 2.30 kΩ. What is the frequency of the ac current that passes through the inductor?
Draw a position-time graph to match the story. Make sure the graph is to scale. (show all your math work!). Bob walks through the jungle at 3 m/s, traveling 35 m. He hears a twig break and belly crawls forward 10 meters in 20 seconds. He stops the..
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