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When water is boiled under a pressure of 2.00 atm, the heat ofvaporization is 2.20 x 10^6 J/kg and the boling point is 120Degrees C. At this pressure, 1.00 kg of water has a volume of1.00 x 10^-3 m^3, and 1.00 kg of steam has a volume of 0.824m^3.
A. Compute the work done when 1.00 kg of steam is formed atthis temperature.
B. Compute the increase in internal energy of the water.
The car now stops, and the four people get out. By how much does the car body rise on its suspension owing to this reduce in weight.
If the combination with this amount of turpentine is after that cooled back to 19°C, how far below cylinder's rim does the turpentine's surface recede.
A 65- kg child sits in a swing suspended with 3.4- m-long ropes. The swing is held aside so that the ropes make an angle of 60 o with the vertical
A 3800 kg car travels round an unbanked corner(i.e. a horizontal road) at the recommended speed of 65 km h-1. What forces would the road need to exert if the car was traveling at 100 km h-1
Two small nonconducting spheres have a total charge of 90.7?C. When placed 1.06 m apart, the force each exerts on the other is 10.6 N, What is the smaller charge on the sphere
A spring is stretched a distance of Dx = 40 cm beyond its relaxed length. Attached to the end of the spring is an block of mass m = 12 kg, which rests on a horizontal frictionless surface. what is the speed of the attached object
the drive train of a bicycle that has wheels 67.3 cm in diameter and pedal cranks 17.5 cm long. Calculate the speed of the bicycle relative to the road
A 1.0 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with the hammer and almost instantly gives it a speed of 41.0 cm/s. What is the amplitude of the subsequent oscillations? The ..
A uniform solid disk of mass m = 3.01 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.96 rad/s. Calculate the magnitude of the angular momentum of the disk
A military helicopter on a training mission is flying horizontally at a speed of 75.0 when it accidentally drops a bomb (fortunately, not armed) at an elevation of 450 .How much time is required for the bomb to reach the earth? How far does it tra..
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.85 Earth years in its circular orbit around its sun, Find the radius of the exoplanet\'s orbit
imagine that we have a string 1.5 meters long that is fixed at both ends. what is the frequency of the normal mode of the strings oscillation that has 3 antinodes
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