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The plumbing in an old house uses lead pipes (which are now considered hazardous). Hot water is run through a section of pipe, increasing its temperature from 19.4°C to 36.8°C. If the pipe is initially 3.96 m in length, what is the change in the length of the pipe?
A person in an elevator is holding a 25 kg block by a cord rated to withstand a tension of 335 N. Starting from rest, the elevator begins to move upwards at a constant acceleration and the cord holding the block breaks. What was the least accelera..
When the lights of an automobile are switched on, an ammeter in series with them reads 10.20 A and a voltmeter connected across them reads 12.10 V. What is the current through the starting motor
A 1.1 µF capacitor has an electric field of 1.2x105 V/m between two metal plates 1 mm apart. What is the energy stored on the capacitor
A 61kg skydiver can be modeled as a rectangular "box" with dimensions 21cm x 37cm x 1.8m. What is his terminal speed if he falls feet first
A 0.15 kg baseball moving at +26.20 m/s is slowed to a stop by a catcher who exerts a constant force of -386 N. A) How long does it take this force to stop the ball?
A large capacitance of 1.40 mF is needed for a certain application. What is the maximum voltage that can be applied
The volume of a monatomic ideal gas increases by a factor of 4 in an adiabatic expansion. Calculate By what factor does its pressure change
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Air flows steadily through an adiabatic turbine, entering at 1 Mpa, 500 degrees C, and 120 m/s and leaving at 150 kPa, 150 degrees C, and 250 m/s. The inlet area of the turbine is 80 cm2.
a car sits on the side of the road trying to sit out a blizzard. a passing truck skids into the stationary car sending
explain the changes in acceleration velocity and net acceleration of a man jumping off a plane in a parachute. describe
a baseball has a mass of 0.12 kg and a major-league pitcher can deliver a ball with a speed of 30 ms. compute the de
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