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One gram of water changes from liquid to solid at a constantpressure of 1.00 atm and a constant temperature of 0°C. In theprocess, the volume changes from 0.60cm3 to 1.13 cm3.
(a) Find the work done on thewater.
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(b) Find the change in the internal energy of the water.
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
A 75 kg horizintal plank is suppirted at each end. a 126kg giant panda is resting a quarter of tge way from the left end. what is the verticle force being exerted on the left support?
A bullet with mass m and speed v is fired at a ballistic pendulum bob of mass M. The bob is attached to a thin, light rod of length L, hangs vertically initially, and is attached to a pivot at its top end.
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 36--diameter loop-the-loop. What is the car's speed at the top?
A charge of 3.80 10-6 C is placed on a small conducting sphere that is located at the end of thin insulating rod whose length is 0.22 m. The rod rotates with an angular speed of ω = 156 rad/s about an axis that passes perpendicularly through its o..
a 4.0-kg hanging mass is connected by a string over a pulley to a 8.0-kg block ona frictionless ramp with an angle of inclination of 40 degrees above the horizontal
A 0.200 T magnetic field is directed along the positive x axis. A magnetic field of unknown magnitude acts along the positive y axis, Find the magnitude of the unknown magnetic field
The components of velocity of an object moving in two dimensions are 40 m/s westward, and 28 m/s southward. What is the object's heading, in degrees
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 15.0 s and then move with an acceleration of -2.1 m/s2 for another 15.0 s. How far do you go during the whole trip
What is Lagrangian for the system
A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long. find The magnitude and direction of the velocity of the stone
Explain how much waork has been done against gravity when the crate is raised a vertical distance of 2.19 m? The coefficient of friction is 0.316.
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