Determine total entropy change of the horseshoe-plus-water
A 1 kg iron horseshoe is taken from a forge at 900 degrees C and dropped into 4 kg of water at 10 degrees C. Assuming no energy is lost by heat to the surroundings, determine the total entropy change of the horseshoe-plus-water system.
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An Alaskan rescue plane traveling 30 m/s drops a package of emergency rations to a stranded party of explorers.the plane is traveling at a height of 200 m above the ground. what horizontal distance does the package fall before landing?
Do you think it was wise for Apple to only offer their OS on their PC instead of offering a version of the Apple OS for other manufacturer's (HP, Dell, Sony, etc) PC's? Do you think owners of other PC's would have preferred the Apple OS ove
How fast should the bat fly, v_b, to hear a beat frequency of 190 rm {Hz}? Take the speed of sound to be 344 rm m/s.
An arrow is fired horizontally at a target 30 meters away. The bullseye is at the same level as the bow. The initial speed of the arrow is 50 m/s. How long does it take to get to the target? How far below the bullseye does it fall?
The human body generates heat by the metabolism of cabohydrates and other food materials. Metabolism provides energy for all biological activities (e.g. muscle contractions).
Model the unit as having a coefficient of performance equal to 40% of the coefficient of performance of an ideal Carnot device.
Do you think it was wise for Apple to only offer their OS on their PC instead of offering a version of the Apple OS for other manufactory's (HP, Dell, Sony, etc) PC's? Do you think owners of other PC's would have preferred the Apple OS over a Microso
A 40-year-old woman noticed a lump in her left breast during a self-exam. She had not noticed this before, and it remained for a few days. She went to her physician for an examination.
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