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A 3-g bullet flying at 420 m/s hits a 2.2-kg aluminum block and embeds itself in the aluminum. After everything has come to equilibrium, how much has the entropy of the aluminum block increased? Be sure to describe the replacement process that you use to actually calculate the entropy change.
In the bible Noah is instructed to build an ark 300 cubits long, 50.0 cubits wide, and 30.0 cubits high. What would be the dimensions of the ark in meters
A 70-kg astronaut floating in space in a 110-kgMMU (manned maneuvering unit) experiences an acceleration of 0.029 m/s2 when he fires one of the MMU's thrusters. What is the thrust of the thruster
a ball is thrown horizontally from a high cliff with a velocity of 5 ms. ignoring the slowing of the ball due to air
question a 67.5 kg person sits on a 3.77 kg chair. each leg of the chair makes contact with the floor in a circle that
A classroom window made of glass is 1cm thick. The window is 2m square . If the thermal conductivity of glass k = 0.96 w/(mK) and the temperature is 21C inside and 32C outside, find the head flux and the temperature distribution along the thicknes..
The electrons in the beam of a television tube have a kinetic energy of 2.50 10-15 J. In what direction are the electrons deflected by this field component
A mass of 500 g is resting on a vertical spring with a force constant of 55 N/m. What is the amplitude of the resulting oscillations
Two converging lens with a focal lengths of 10 cm are separated by 10 cm. What is the position of the final image
Two trains on separate tracks move toward each other. Train 1 has a speed of 115 km/h; train 2 a speed of 62.0 km/h. What is the frequency heard by the engineer on train 1
In a stunt scene for a new action movie a motorcyclist will take off horizontally from the top of one building, What is the minimum horizontal take-off speed that the motorcycle must have to make the jump safely
A spring with constant k=15 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. it is then pulled down 6 cm and free. if the ball makes 30 oscillations in 20 seconds, what are its maximum speed.
A 28.0 kg block is connected to an empty 1.00 kg bucket by a cord running over a frictionless pulley (Fig. 4-57). The coefficient of static friction between the table and the block is 0.460 and the coefficient of kinetic friction between the table an..
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