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Imagine a car tire that contains 5.1 moles of air when at a gauge pressure of 2.1×105N/m2 (the pressure above atmospheric pressure) and a temperature of 27 °C. The temperature increases to 37 °C, the volume decreases to 0.8 times the original volume, and the gauge pressure decreases to 1.6×105N/m2. How many moles of air are left in the tire?
A solar energy "farm" produces 1.0 MW of power for a small town. What total area of solar cells is required
A ladder 2.30 m long, weighing 226 N, initially lies flat on the ground. The ladder is raised to a vertical position. Compute the work done by the force lifting the ladder
Transverse waves with a speed of 48.7 m/s are to be produced on a stretched string. What is the required tension in the string
An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field.If the resistance of the ring is 1.00 m?, how much heat will be transferre..
Tritium ({}_1^3 {\rm{{\rm H})}} is an unstable isotope of hydrogen; its mass, including one electron, is 3.016049 {\rm u}. Determine the total kinetic energy of beta decay products
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. What is the translational speed of the object
q1. as part of a safety investigation two 1300kg cars travelling at 18ms are crashed into different barriers. find the
A drug prepared for a patient is tagged with which has a half life of 6.05 h and an activity of 1.60 µCi when it was prepared. What is its activity at the time it is injected
When are the displacement, velocity, and acceleration equal to zero for the motion of a mass on a spring? A. at maximum displacement B. at minimum displacement C. at the equilibrium position D. at a displacement of 2x E.at a displacement of 1/3x.
The great, grey-green, greasy Zambezi River flows over Victoria Falls in south central Africa. what is the velocity of the water when it hits the bottom
Standing on a sidewalk, you notice that you are halfway between a clock tower and a large building. How far apart are the clock tower and the building
After two days, only one-quarter of a radioactive sample remains. What is the half life of the nuclei
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